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
g5c1
g5d2
g5e3
g5f4
g5d8
g5e7
g5f6
g5h4
g5h6
a7a5
a7a6
c6c5
e6f5
b5a3
b5c3
b5c7
b5d4
b5d6
b7a6
b7c8
d7c8
d7e8
d7c7
d7d4
d7d5
d7d6
d7e7
d7d8
f7f6
g7g6
h7h5
h7h6
a8e8
a8d8
a8c8
a8b8
f8b8
f8c8
f8d8
f8e8
g8h8

## Board State Fen
r4rk1/pb1q1ppp/1pp1p3/1n2PPb1/1BNP4/1P4P1/6BP/R2Q1RK1 b - - 4 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
g5c1
g5d2
g5e3
g5f4
g5d8
g5e7
g5f6
g5h4
g5h6
a7a5
a7a6
c6c5
e6f5
b5a3
b5c3
b5c7
b5d4
b5d6
b7a6
b7c8
d7c8
d7e8
d7c7
d7d4
d7d5
d7d6
d7e7
d7d8
f7f6
g7g6
h7h5
h7h6
a8e8
a8d8
a8c8
a8b8
f8b8
f8c8
f8d8
f8e8
g8h8

## Board State Fen
r4rk1/pb1q1ppp/1pp1p3/1n2PPb1/1BNP4/1P4P1/6BP/R2Q1RK1 b - - 4 21
assistant
e6f5