Given the available moves based on the current board state in FEN notation, think carefully about which move would be best, then make that move. Be sure to note your color indicated in the FEN notation before deciding.
## Available Moves
a5a4
b5c6
b5c5
b5a6
g5g4
h5h4
c7c5
c7c6

## Board State Fen
8/2p5/1p6/pk2p1pp/4Pp2/PPPK1P2/6PP/8 b - - 0 28
system
You are a chess playing AI.
user
Given the available moves based on the current board state in FEN notation, think carefully about which move would be best, then make that move. Be sure to note your color indicated in the FEN notation before deciding.
## Available Moves
a5a4
b5c6
b5c5
b5a6
g5g4
h5h4
c7c5
c7c6

## Board State Fen
8/2p5/1p6/pk2p1pp/4Pp2/PPPK1P2/6PP/8 b - - 0 28
assistant
b5c5