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
e4d2
e4f2
e4c3
e4c5
e4g3
e4g5
a6e2
a6d3
a6c4
a6b5
a6c8
a6b7
b6b5
d6a3
d6b4
d6c5
d6b8
d6c7
d6e5
d6e7
f6e8
f6g4
f6d7
f6h5
g7g5
g7g6
h7h5
h7h6
a8c8
a8b8
d8c7
d8e7
d8b8
d8c8
d8d7
d8e8
f8e8
f8f7
g8h8

## Board State Fen
r2q1rk1/p5pp/bp1bpn2/3pNp2/3PnB1P/5NP1/PPQ1PPB1/2R1R1K1 b - - 6 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
e4d2
e4f2
e4c3
e4c5
e4g3
e4g5
a6e2
a6d3
a6c4
a6b5
a6c8
a6b7
b6b5
d6a3
d6b4
d6c5
d6b8
d6c7
d6e5
d6e7
f6e8
f6g4
f6d7
f6h5
g7g5
g7g6
h7h5
h7h6
a8c8
a8b8
d8c7
d8e7
d8b8
d8c8
d8d7
d8e8
f8e8
f8f7
g8h8

## Board State Fen
r2q1rk1/p5pp/bp1bpn2/3pNp2/3PnB1P/5NP1/PPQ1PPB1/2R1R1K1 b - - 6 15
assistant
d8e8