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
c5b6
c5f2
c5e3
c5d4
c5e7
c5d6
d5d4
g6b1
g6c2
g6d3
g6e4
g6f5
g6h5
g6a6
g6b6
g6c6
g6d6
g6e6
g6f6
g6g2
g6g3
g6g4
g6g5
g6h6
a7a5
a7a6
b7b5
b7b6
f7f5
f7f6
h7h5
h7h6
c8a8
c8b8
c8c6
c8c7
c8e8
c8d8
f8d8
f8e8
g8h8

## Board State Fen
2r2rk1/pp3ppp/6q1/2bpP3/8/1P3N2/P3QPPP/3R1RK1 b - - 1 18
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
c5b6
c5f2
c5e3
c5d4
c5e7
c5d6
d5d4
g6b1
g6c2
g6d3
g6e4
g6f5
g6h5
g6a6
g6b6
g6c6
g6d6
g6e6
g6f6
g6g2
g6g3
g6g4
g6g5
g6h6
a7a5
a7a6
b7b5
b7b6
f7f5
f7f6
h7h5
h7h6
c8a8
c8b8
c8c6
c8c7
c8e8
c8d8
f8d8
f8e8
g8h8

## Board State Fen
2r2rk1/pp3ppp/6q1/2bpP3/8/1P3N2/P3QPPP/3R1RK1 b - - 1 18
assistant
f8d8