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
c1h6
c1g5
c1f4
c1e3
c1d2
a1b1
d1h1
d1g1
d1f1
d1e1
d1d8
d1d7
d1d6
d1d5
d1d4
d1d3
d1d2
a2a4
a2a3
b2b4
b2b3
c2c4
c2c3
e2d4
e2f4
e2c3
e2g1
f2f4
f2f3
g2h2
g2h1
g2g1
g2f3
g2f1
g3g4
h3h4
e5e6

## Board State Fen
r3k2r/ppp1bpp1/2p5/4Pb1p/8/6PP/PPP1NPK1/R1BR4 w - - 3 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
c1h6
c1g5
c1f4
c1e3
c1d2
a1b1
d1h1
d1g1
d1f1
d1e1
d1d8
d1d7
d1d6
d1d5
d1d4
d1d3
d1d2
a2a4
a2a3
b2b4
b2b3
c2c4
c2c3
e2d4
e2f4
e2c3
e2g1
f2f4
f2f3
g2h2
g2h1
g2g1
g2f3
g2f1
g3g4
h3h4
e5e6

## Board State Fen
r3k2r/ppp1bpp1/2p5/4Pb1p/8/6PP/PPP1NPK1/R1BR4 w - - 3 18
assistant
e2d4