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
c5a3
c5b4
c5b6
c5f2
c5e3
c5d4
f5d3
f5e4
f5c8
f5d7
f5e6
f5h3
f5g4
f5g6
a7a5
a7a6
b7b5
b7b6
c7c6
f7f6
g7g5
g7g6
h7h5
h7h6
a8c8
a8b8
d8h4
d8g5
d8f6
d8e7
d8b8
d8c8
d8d7
e8f6
g8h8

## Board State Fen
r2qnrk1/ppp2ppp/3p4/2bP1b2/8/2NB4/PPP2PPP/R1BQR1K1 b - - 3 13
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
c5a3
c5b4
c5b6
c5f2
c5e3
c5d4
f5d3
f5e4
f5c8
f5d7
f5e6
f5h3
f5g4
f5g6
a7a5
a7a6
b7b5
b7b6
c7c6
f7f6
g7g5
g7g6
h7h5
h7h6
a8c8
a8b8
d8h4
d8g5
d8f6
d8e7
d8b8
d8c8
d8d7
e8f6
g8h8

## Board State Fen
r2qnrk1/ppp2ppp/3p4/2bP1b2/8/2NB4/PPP2PPP/R1BQR1K1 b - - 3 13
assistant
f5d3