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
c1a3
c1b2
c1h6
c1g5
c1f4
c1e3
c1d2
a1b1
d1a4
d1b3
d1c2
d1e2
d1d2
e1f1
e1e7
e1e6
e1e5
e1e4
e1e3
e1e2
g1h1
g1f1
a2a4
a2a3
g2g3
h2h4
h2h3
c3c4
d3b1
d3c2
d3a6
d3b5
d3c4
d3f1
d3e2
d3g6
d3f5
d3e4
f3e5
f3g5
f3d2
f3h4
d4d5

## Board State Fen
r2q1rk1/pp2ppbp/2n3p1/8/3P2b1/2PB1N2/P4PPP/R1BQR1K1 w - - 7 12
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
c1a3
c1b2
c1h6
c1g5
c1f4
c1e3
c1d2
a1b1
d1a4
d1b3
d1c2
d1e2
d1d2
e1f1
e1e7
e1e6
e1e5
e1e4
e1e3
e1e2
g1h1
g1f1
a2a4
a2a3
g2g3
h2h4
h2h3
c3c4
d3b1
d3c2
d3a6
d3b5
d3c4
d3f1
d3e2
d3g6
d3f5
d3e4
f3e5
f3g5
f3d2
f3h4
d4d5

## Board State Fen
r2q1rk1/pp2ppbp/2n3p1/8/3P2b1/2PB1N2/P4PPP/R1BQR1K1 w - - 7 12
assistant
a1b1