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
c1c8
c1c7
c1c6
c1c5
c1c4
c1c3
c1c2
d1c2
d1e2
d1d3
d1d2
e1f1
e1e6
e1e5
e1e4
e1e3
e1e2
g1h1
g2g4
g2g3
h2h4
h2h3
b3b4
f3e5
f3g5
f3d2
f3h4
f4f5

## Board State Fen
r2q1rk1/5p1p/1p2pbp1/p2p4/P2P1P2/1P1b1N2/5PPP/2RQR1K1 w - - 0 20
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
c1c8
c1c7
c1c6
c1c5
c1c4
c1c3
c1c2
d1c2
d1e2
d1d3
d1d2
e1f1
e1e6
e1e5
e1e4
e1e3
e1e2
g1h1
g2g4
g2g3
h2h4
h2h3
b3b4
f3e5
f3g5
f3d2
f3h4
f4f5

## Board State Fen
r2q1rk1/5p1p/1p2pbp1/p2p4/P2P1P2/1P1b1N2/5PPP/2RQR1K1 w - - 0 20
assistant
d1d3