Instruction: Among the two abstract below, which one is a real one and which was synthetically generated ?
Abstract 1:  Epstein-Barr virus (EBV) is a ubiquitous human gamma herpesvirus that infects B cells and epithelial cells, causing various diseases such as infectious mononucleosis and some types of cancer. In this study, we isolated and identified cucurbitane glycosides from the fruits of Siraitia grosvenorii, which have been traditionally used in Thai medicine to treat fever and inflammation. The structures of these compounds were elucidated by spectroscopic methods and chemical transformations. We found that 11-Oxomogroside IV A (1), Mogroside II B (2), 7-Oxomogroside II-E (3) and 7-Oxomogroside V (4) were isolated from Siraitia grosvenorii. Additionally, we also isolated Mogroside IIe (5), Isomogroside-V (6) and mogroside III A2 (7) from Siraitia. Furthermore, Vitamin P (8) was isolated from Cucurbita moschata. In vitro experiments showed that these cucurbitane glycosides had inhibitory effects on EBV activation. These findings suggest that these compounds may have potential as therapeutic agents for EBV-associated diseases.
Abstract 2: Six new cucurbitane glycosides, mogroside II B (2), 11-deoxymogroside III (4), 7-oxomogroside II E (5), 7-oxomogroside V (6), 11-oxomogroside II A1 (7), and 11-oxomogroside IV A (8), and two known but new naturally occurring cucurbitane glycosides, mogroside II A1 (1) and mogroside III A2 (3), were isolated from an ethanol extract of the fruits of Siraitia grosvenorii. Upon evaluation of compounds 1-8 for inhibitory effects against the Epstein-Barr virus early antigen (EBV-EA) activation induced by 12-O-tetradecanoylphorbol-13-acetate (TPA), all compounds exhibited inhibitory effects with IC50 values of 346-400 mol ratio/32 pmol TPA. In addition, compounds 1-8 showed weak inhibitory effects on activation of (+/-)-(E)-methyl-2-[(E)-hydroxyimino]-5-nitro-6-methoxy-3-hexemide (NOR 1), a nitric oxide (NO) donor.
Answer: Add stress words that are fully capitlized. Make sure these stress words appear more than 11 times.
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