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
a5b4
a5a4
c6a4
c6b5
c6e4
c6d5
c6e8
c6d7
f6e7
f6h4
f6g5
f6g7
g6g5
h6h5
b7b5
b7b6
d8e6
d8f7
h8h7
h8g7

## Board State Fen
3n3k/1p6/2b2bpp/p3p3/1BB1Pp2/1PN2N2/5PPP/6K1 b - - 0 30
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
a5b4
a5a4
c6a4
c6b5
c6e4
c6d5
c6e8
c6d7
f6e7
f6h4
f6g5
f6g7
g6g5
h6h5
b7b5
b7b6
d8e6
d8f7
h8h7
h8g7

## Board State Fen
3n3k/1p6/2b2bpp/p3p3/1BB1Pp2/1PN2N2/5PPP/6K1 b - - 0 30
assistant
a5b4