Instructions: Given a title, a list of keywords and main findings, create an abstract for a scientific article.
Title: Cyclic heptapeptides from the Jamaican sponge Stylissa caribica.
Keywords: antiinflammatory activities, anti-mtb, anti-hiv-1, chemical methods, anticancer, antimalarial, antimicrobial, nmr spectroscopic data, antimicrobial activities, 2d nmr spectroscopic data.
Main findings: Sceptrin, cyclo[Ile-Pro-Tyr-Pro-Pro-Phe-Pro], cyclo-(Pro1-Trp-Leu-Thr-Pro2-Gly-Phe), phakellistatin 13, cyclo[Ile-Phe-Pro-Leu-Pro-Tyr-Pro], cyclo[Gly-D-Pro-aThr-Leu-D-Trp-Pro-Phe], Stevensine, Oroidin, cyclo[Gly-Pro-Thr-D-aIle-nTrp-D-Pro-Unk] were isolated from Stylissa caribica.
Abstract: Make sure your entire response is wrapped in JSON format.
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