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
a1a3
a1a2
b1a2
b1h7
b1g6
b1f5
b1e4
b1d3
b1c2
b1b2
c1a3
c1b2
g1h2
g1h1
g1f1
d2a2
d2b2
d2c2
d2d1
d2e2
d2d3
g2f1
g2f3
g2h1
g2h3
e3d1
e3d5
e3f1
e3f5
e3c2
e3c4
e3g4
g3g4
h4h5

## Board State Fen
2rq1rk1/3nbppp/2n1p3/p2pP3/Pp1P3P/1P2NbP1/3R1PB1/RQB3K1 w - - 0 21
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
a1a3
a1a2
b1a2
b1h7
b1g6
b1f5
b1e4
b1d3
b1c2
b1b2
c1a3
c1b2
g1h2
g1h1
g1f1
d2a2
d2b2
d2c2
d2d1
d2e2
d2d3
g2f1
g2f3
g2h1
g2h3
e3d1
e3d5
e3f1
e3f5
e3c2
e3c4
e3g4
g3g4
h4h5

## Board State Fen
2rq1rk1/3nbppp/2n1p3/p2pP3/Pp1P3P/1P2NbP1/3R1PB1/RQB3K1 w - - 0 21
assistant
g2f3