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
c1b2
c1e3
c1d2
a1b1
a1a2
d1a4
d1b3
d1c2
d1h5
d1g4
d1f3
d1e2
d1e1
d1d2
f1e1
f1h1
f1g1
f1f3
f1f2
g2f3
g2h1
h2h1
h2g1
a3a4
c3b1
c3b5
c3a2
c3a4
c3e2
g3g4
h3h4
b4b5
c4c5
f4e5
f4f5
d5c7
d5e3
d5e7
d5b6
d5f6

## Board State Fen
r2qk2r/bpp2pp1/p1npb2p/3Np3/1PPnPP2/P1NP2PP/6BK/R1BQ1R2 w kq - 5 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
c1b2
c1e3
c1d2
a1b1
a1a2
d1a4
d1b3
d1c2
d1h5
d1g4
d1f3
d1e2
d1e1
d1d2
f1e1
f1h1
f1g1
f1f3
f1f2
g2f3
g2h1
h2h1
h2g1
a3a4
c3b1
c3b5
c3a2
c3a4
c3e2
g3g4
h3h4
b4b5
c4c5
f4e5
f4f5
d5c7
d5e3
d5e7
d5b6
d5f6

## Board State Fen
r2qk2r/bpp2pp1/p1npb2p/3Np3/1PPnPP2/P1NP2PP/6BK/R1BQ1R2 w kq - 5 16
assistant
f4f5