You are playing black and it is your turn.

This is the current state of the game use this to work out where the pieces are on the board:

FEN: rnbqkbnr/pppppppp/8/8/8/1P6/P1PPPPPP/RNBQKBNR b KQkq - 0 1
Move History: 1. b3

Output the best move in SAN format to follow this position. Use the following single blob of JSON. Do not include any other information.

{
  "san": "The move in SAN format",
  "reason": "Why this is a good move"
}
 Do not say the word "format" in the response
user