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
c5e3
c5d4
c5f8
c5e7
c5d6
b6b5
e6e5
f6e4
f6g4
f6d5
f6h5
a7a5
a7a6
b7a6
b7f3
b7e4
b7d5
b7c6
b7c8
b7c7
b7b8
d7e5
d7b8
d7f8
g7g5
g7g6
h7h5
h7h6
a8d8
a8c8
a8b8
e8b8
e8c8
e8d8
e8e7
e8f8
g8h8
g8f8

## Board State Fen
r3r1k1/pq1n1ppp/1p2pn2/2b5/5B2/2N1PQ2/PP1N1PPP/R2R2K1 b - - 9 16
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
c5e3
c5d4
c5f8
c5e7
c5d6
b6b5
e6e5
f6e4
f6g4
f6d5
f6h5
a7a5
a7a6
b7a6
b7f3
b7e4
b7d5
b7c6
b7c8
b7c7
b7b8
d7e5
d7b8
d7f8
g7g5
g7g6
h7h5
h7h6
a8d8
a8c8
a8b8
e8b8
e8c8
e8d8
e8e7
e8f8
g8h8
g8f8

## Board State Fen
r3r1k1/pq1n1ppp/1p2pn2/2b5/5B2/2N1PQ2/PP1N1PPP/R2R2K1 b - - 9 16
assistant
b7f3