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
a2a4
a2a3
d1b1
d1c1
d1f1
d1e1
d1d5
d1d4
d1d3
d1d2
g1h1
g1f2
g1f1
a1c1
a1b1
g2g4
g2g3
h2h4
h2h3
b3b4
e3c1
e3d2
e3b6
e3c5
e3d4
e3f2
e3h6
e3g5
e3f4
f3f4
c4d5
c4c5

## Board State Fen
2r3k1/5ppp/rp2pn2/3p4/2P5/1P2BP2/P5PP/R2R2K1 w - d6 0 23
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
a2a4
a2a3
d1b1
d1c1
d1f1
d1e1
d1d5
d1d4
d1d3
d1d2
g1h1
g1f2
g1f1
a1c1
a1b1
g2g4
g2g3
h2h4
h2h3
b3b4
e3c1
e3d2
e3b6
e3c5
e3d4
e3f2
e3h6
e3g5
e3f4
f3f4
c4d5
c4c5

## Board State Fen
2r3k1/5ppp/rp2pn2/3p4/2P5/1P2BP2/P5PP/R2R2K1 w - d6 0 23
assistant
a1c1