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
d1b1
d1c1
d1f1
d1e1
d1d3
d1d2
h2h4
h2h3
g2g4
g2g3
e2a6
e2b5
e2c4
e2d3
e2f1
e2h5
e2g4
e2f3
b2c3
g1h1
g1f1
f2f4
f2f3
a2a4
a2a3
a1c1
a1b1
b3a4
b3c2
b3e6
b3d5
b3c4
b3a3
b3c3
b3b6
b3b5
b3b4
d4d5
e5d3
e5d7
e5f3
e5f7
e5c4
e5c6
e5g4
e5g6
g5c1
g5d2
g5e3
g5f4
g5f6
g5h4
g5h6

## Board State Fen
2r2rk1/pp1bqppp/1n2pn2/4N1B1/3P4/1Qb5/PP2BPPP/R2R2K1 w - - 0 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
d1b1
d1c1
d1f1
d1e1
d1d3
d1d2
h2h4
h2h3
g2g4
g2g3
e2a6
e2b5
e2c4
e2d3
e2f1
e2h5
e2g4
e2f3
b2c3
g1h1
g1f1
f2f4
f2f3
a2a4
a2a3
a1c1
a1b1
b3a4
b3c2
b3e6
b3d5
b3c4
b3a3
b3c3
b3b6
b3b5
b3b4
d4d5
e5d3
e5d7
e5f3
e5f7
e5c4
e5c6
e5g4
e5g6
g5c1
g5d2
g5e3
g5f4
g5f6
g5h4
g5h6

## Board State Fen
2r2rk1/pp1bqppp/1n2pn2/4N1B1/3P4/1Qb5/PP2BPPP/R2R2K1 w - - 0 15
assistant
g5f6