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
c2d1
c2e4
c2d3
c2d2
a3a4
e2d4
e2f4
e2g3
c3a5
c3b4
c3e1
c3d2
c3g7
c3f6
c3e5
c3d4
f3e1
f3e5
f3g5
f3d2
f3d4
f3h4
h2h4
h2h3
g2g4
g2g3
b2b4
b2b3
g1h1
f1d1
f1e1
c1a1
c1b1
c1e1
c1d1

## Board State Fen
2r1rbk1/p4ppp/qp6/2np4/4n3/P1B1PN2/1PQ1NPPP/2R2RK1 w - - 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
c2b1
c2a4
c2b3
c2d1
c2e4
c2d3
c2d2
a3a4
e2d4
e2f4
e2g3
c3a5
c3b4
c3e1
c3d2
c3g7
c3f6
c3e5
c3d4
f3e1
f3e5
f3g5
f3d2
f3d4
f3h4
h2h4
h2h3
g2g4
g2g3
b2b4
b2b3
g1h1
f1d1
f1e1
c1a1
c1b1
c1e1
c1d1

## Board State Fen
2r1rbk1/p4ppp/qp6/2np4/4n3/P1B1PN2/1PQ1NPPP/2R2RK1 w - - 1 18
assistant
f1d1