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
b4c5
b4b5
b4b3
b4a5
b4a4
b4a3
c4a2
c4b3
c4a6
c4b5
c4d3
c4e6
c4d5
h4h3
f7f5
f7f6

## Board State Fen
8/5p2/8/8/1kb2p1p/3B1P2/3K2P1/8 b - - 3 69
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
b4c5
b4b5
b4b3
b4a5
b4a4
b4a3
c4a2
c4b3
c4a6
c4b5
c4d3
c4e6
c4d5
h4h3
f7f5
f7f6

## Board State Fen
8/5p2/8/8/1kb2p1p/3B1P2/3K2P1/8 b - - 3 69
assistant
c4e6