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
c4b2
c4b6
c4d2
c4a3
c4e3
a5b3
a5b7
a5c6
d6d5
c7b6
c7b8
c7d8
c7a7
c7b7
c7c5
c7c6
c7e7
c7d7
f7f6
g7g5
g7g6
h7h5
h7h6
a8a7
a8b8
c8b7
c8f5
c8e6
c8d7
f8d8
f8e8
g8h8

## Board State Fen
r1b2rk1/2q2ppp/p2p4/n3pN2/P1n1P3/2P4P/B2N1PP1/R2QR1K1 b - - 1 21
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
c4b2
c4b6
c4d2
c4a3
c4e3
a5b3
a5b7
a5c6
d6d5
c7b6
c7b8
c7d8
c7a7
c7b7
c7c5
c7c6
c7e7
c7d7
f7f6
g7g5
g7g6
h7h5
h7h6
a8a7
a8b8
c8b7
c8f5
c8e6
c8d7
f8d8
f8e8
g8h8

## Board State Fen
r1b2rk1/2q2ppp/p2p4/n3pN2/P1n1P3/2P4P/B2N1PP1/R2QR1K1 b - - 1 21
assistant
d6d5