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
d7c5
d7e5
d7b6
d7f6
a8a6
a8a7
h7h5
h7h6
f7f5
f7f6
c6d5
c6c5
g7c3
g7d4
g7e5
g7f6
g7h6
g7h8
e7e5
e7e6
b7b5
b7b6
a5a4
b8a6
d8b6
d8c7
d8c8
d8e8
f8e8
g8h8

## Board State Fen
rn1q1rk1/1p1nppbp/2pp2p1/p2P2B1/2P1P3/2N5/PP1NQPPP/R4R1K b - - 1 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
d7c5
d7e5
d7b6
d7f6
a8a6
a8a7
h7h5
h7h6
f7f5
f7f6
c6d5
c6c5
g7c3
g7d4
g7e5
g7f6
g7h6
g7h8
e7e5
e7e6
b7b5
b7b6
a5a4
b8a6
d8b6
d8c7
d8c8
d8e8
f8e8
g8h8

## Board State Fen
rn1q1rk1/1p1nppbp/2pp2p1/p2P2B1/2P1P3/2N5/PP1NQPPP/R4R1K b - - 1 13
assistant
d7c5