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
b1a3
b1c3
b1d2
d1c1
d1f1
d1e1
d1d3
d1d2
g1h1
g1f2
g1f1
a2a4
a2a3
b2b4
b2b3
g2g4
g2g3
h2h4
h2h3
f3f4

## Board State Fen
2r2rk1/5pp1/np2p2p/p2pP3/3P4/5P2/PP4PP/RN1R2K1 w - - 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
b1a3
b1c3
b1d2
d1c1
d1f1
d1e1
d1d3
d1d2
g1h1
g1f2
g1f1
a2a4
a2a3
b2b4
b2b3
g2g4
g2g3
h2h4
h2h3
f3f4

## Board State Fen
2r2rk1/5pp1/np2p2p/p2pP3/3P4/5P2/PP4PP/RN1R2K1 w - - 0 23
assistant
b1c3