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
c1a1
c1b1
c1d1
c1c2
f1a6
f1b5
f1c4
f1d3
f1e2
h1g1
h1h3
h1h2
f2f4
f2f3
c3b4
e3e4
g3b8
g3c7
g3d6
g3e5
g3f4
g3h2
d4c2
d4c6
d4e2
d4e6
d4b3
d4b5
d4f3
d4f5
h4g5
h4h5

## Board State Fen
rnb2rk1/pp3p2/4p2p/6p1/1b1N3P/2P1P1B1/2q2PP1/2R1KB1R w K - 0 15
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
c1a1
c1b1
c1d1
c1c2
f1a6
f1b5
f1c4
f1d3
f1e2
h1g1
h1h3
h1h2
f2f4
f2f3
c3b4
e3e4
g3b8
g3c7
g3d6
g3e5
g3f4
g3h2
d4c2
d4c6
d4e2
d4e6
d4b3
d4b5
d4f3
d4f5
h4g5
h4h5

## Board State Fen
rnb2rk1/pp3p2/4p2p/6p1/1b1N3P/2P1P1B1/2q2PP1/2R1KB1R w K - 0 15
assistant
c1c2