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
b8a6
b8c6
b8d7
e4d2
e4d6
e4f2
e4f6
e4c3
e4g3
e4g5
a8a6
a8a7
b7a6
b7c6
b7c8
h7h5
h7h6
g7g5
g7g6
c5c4
f8c8
f8d8
f8e8
g8h8
f7f5
f7f6
d5d4
e7d6
e7d8
e7h4
e7g5
e7f6
e7c7
e7d7
e7e5
e7e6
e7e8
a5a4

## Board State Fen
rn3rk1/1b2qppp/8/p1pp4/4n2N/6P1/PP1N1PBP/2RQR1K1 b - - 1 15
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
b8a6
b8c6
b8d7
e4d2
e4d6
e4f2
e4f6
e4c3
e4g3
e4g5
a8a6
a8a7
b7a6
b7c6
b7c8
h7h5
h7h6
g7g5
g7g6
c5c4
f8c8
f8d8
f8e8
g8h8
f7f5
f7f6
d5d4
e7d6
e7d8
e7h4
e7g5
e7f6
e7c7
e7d7
e7e5
e7e6
e7e8
a5a4

## Board State Fen
rn3rk1/1b2qppp/8/p1pp4/4n2N/6P1/PP1N1PBP/2RQR1K1 b - - 1 15
assistant
f7f5