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
c2b1
c2a4
c2b3
c2f5
c2e4
c2d3
c2c1
c2f2
c2e2
c2d2
b2b4
b2b3
h2h4
h2h3
d1b1
d1c1
d1f1
d1e1
d1d6
d1d5
d1d4
d1d3
d1d2
g2g4
g2g3
g1h1
g1f2
g1f1
c3b1
c3b5
c3d5
c3a2
c3a4
c3e2
c3e4
c4c5
e5d6
b6a7
b6f2
b6e3
b6d4
b6c5
b6d8
b6c7
a1c1
a1b1
a1a4
a1a3
a1a2

## Board State Fen
2r2qk1/1p2p2p/pBbpn1p1/P3Pr2/2P2p2/2N2P2/1PQ3PP/R2R2K1 w - - 3 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
c2b1
c2a4
c2b3
c2f5
c2e4
c2d3
c2c1
c2f2
c2e2
c2d2
b2b4
b2b3
h2h4
h2h3
d1b1
d1c1
d1f1
d1e1
d1d6
d1d5
d1d4
d1d3
d1d2
g2g4
g2g3
g1h1
g1f2
g1f1
c3b1
c3b5
c3d5
c3a2
c3a4
c3e2
c3e4
c4c5
e5d6
b6a7
b6f2
b6e3
b6d4
b6c5
b6d8
b6c7
a1c1
a1b1
a1a4
a1a3
a1a2

## Board State Fen
2r2qk1/1p2p2p/pBbpn1p1/P3Pr2/2P2p2/2N2P2/1PQ3PP/R2R2K1 w - - 3 21
assistant
e5d6