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
d1a1
d1b1
d1c1
d1f1
d1e1
b2b4
b2b3
a2a4
a2a3
g1h1
g1f1
c2b1
c2a4
c2b3
c2h7
c2g6
c2f5
c2e4
c2d3
c2c1
d2e2
d2d3
f2f3
g2f1
g2b7
g2c6
g2d5
g2e4
g2f3
g2h1
g2h3
h2h4
h2h3
c3b1
c3b5
c3d5
c3a4
c3e2
c3e4
e3e4
c4b6
c4d6
c4a3
c4a5
c4e5
d4c5
d4d5
f4f5

## Board State Fen
3r1rk1/pbq1bppp/1p2pn2/2p5/2NP1P2/2N1P3/PPQR1PBP/3R2K1 w - - 0 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
d1a1
d1b1
d1c1
d1f1
d1e1
b2b4
b2b3
a2a4
a2a3
g1h1
g1f1
c2b1
c2a4
c2b3
c2h7
c2g6
c2f5
c2e4
c2d3
c2c1
d2e2
d2d3
f2f3
g2f1
g2b7
g2c6
g2d5
g2e4
g2f3
g2h1
g2h3
h2h4
h2h3
c3b1
c3b5
c3d5
c3a4
c3e2
c3e4
e3e4
c4b6
c4d6
c4a3
c4a5
c4e5
d4c5
d4d5
f4f5

## Board State Fen
3r1rk1/pbq1bppp/1p2pn2/2p5/2NP1P2/2N1P3/PPQR1PBP/3R2K1 w - - 0 18
assistant
g2b7