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
c1c3
c1c2
d1f1
d1e1
g1h1
g1f1
a2a4
a2a3
d2a5
d2b4
d2c3
d2e1
d2b2
d2c2
d2d4
d2d3
f2f4
f2f3
g2f1
g2e4
g2f3
g2h1
g2h3
h2h4
h2h3
e3a7
e3b6
e3c5
e3d4
e3h6
e3g5
e3f4
g3g4
c4c5
b5b6
d5c3
d5c7
d5e7
d5b4
d5b6
d5f4
d5f6

## Board State Fen
r1r2q2/pp2ppbk/3pb1pp/1P1Nn3/2P5/4B1P1/P2QPPBP/2RR2K1 w - - 1 22
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
c1c3
c1c2
d1f1
d1e1
g1h1
g1f1
a2a4
a2a3
d2a5
d2b4
d2c3
d2e1
d2b2
d2c2
d2d4
d2d3
f2f4
f2f3
g2f1
g2e4
g2f3
g2h1
g2h3
h2h4
h2h3
e3a7
e3b6
e3c5
e3d4
e3h6
e3g5
e3f4
g3g4
c4c5
b5b6
d5c3
d5c7
d5e7
d5b4
d5b6
d5f4
d5f6

## Board State Fen
r1r2q2/pp2ppbk/3pb1pp/1P1Nn3/2P5/4B1P1/P2QPPBP/2RR2K1 w - - 1 22
assistant
c4c5