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
a1a2
d1e2
d1d3
d1d2
e1f1
e1e3
e1e2
g1h2
g1h1
g1f1
b2b4
b2b3
c2b1
c2a4
c2b3
c2d3
a3a4
c3c4
f3e5
f3g5
f3d2
f3h2
f3h4
g3f1
g3f5
g3h1
g3h5
g3e2
h3h4
d4e5
d4d5

## Board State Fen
r2qr1k1/1bpn1pbp/p2p1np1/1p2p3/3PP3/P1P2NNP/1PB2PP1/R1BQR1K1 w - - 1 16
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
a1a2
d1e2
d1d3
d1d2
e1f1
e1e3
e1e2
g1h2
g1h1
g1f1
b2b4
b2b3
c2b1
c2a4
c2b3
c2d3
a3a4
c3c4
f3e5
f3g5
f3d2
f3h2
f3h4
g3f1
g3f5
g3h1
g3h5
g3e2
h3h4
d4e5
d4d5

## Board State Fen
r2qr1k1/1bpn1pbp/p2p1np1/1p2p3/3PP3/P1P2NNP/1PB2PP1/R1BQR1K1 w - - 1 16
assistant
a3a4