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
b1c2
b1c1
b1a1
d1c1
d1g1
d1f1
d1e1
d1d2
h1e1
h1f1
h1g1
h1h6
h1h5
h1h4
h1h3
h1h2
a2a4
a2a3
b2b4
b2b3
e2f1
e2c2
e2d2
e2e1
c3b5
c3d5
c3a4
c3e4
d3c2
d3c4
d3h7
d3g6
d3f5
d3e4
e3e4
f3e1
f3e5
f3g1
f3g5
f3d2
f3h2
f3h4
g3g4
d4d5

## Board State Fen
r1b1k2r/1p1nqpb1/p1p1p2p/6p1/2pP4/2NBPNP1/PP2QPP1/1K1R3R w kq - 0 14
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
b1c2
b1c1
b1a1
d1c1
d1g1
d1f1
d1e1
d1d2
h1e1
h1f1
h1g1
h1h6
h1h5
h1h4
h1h3
h1h2
a2a4
a2a3
b2b4
b2b3
e2f1
e2c2
e2d2
e2e1
c3b5
c3d5
c3a4
c3e4
d3c2
d3c4
d3h7
d3g6
d3f5
d3e4
e3e4
f3e1
f3e5
f3g1
f3g5
f3d2
f3h2
f3h4
g3g4
d4d5

## Board State Fen
r1b1k2r/1p1nqpb1/p1p1p2p/6p1/2pP4/2NBPNP1/PP2QPP1/1K1R3R w kq - 0 14
assistant
d3c4