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
a1b1
a1a3
a1a2
c1a3
c1b2
c1f4
c1e3
c1d2
d1h5
d1g4
d1f3
d1e2
d1e1
d1d2
f1e1
g1h2
g1h1
g1g2
c2c3
f2g4
f2h1
g3f4
g3g4
h3g2
h3c8
h3d7
h3e6
h3f5
h3g4
a4a5
e4e5
h4h5

## Board State Fen
r2q1rk1/pp3bpp/2nb1p2/2p5/P1PpPp1P/3P2PB/2P2N2/R1BQ1RK1 w - - 0 19
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
a1b1
a1a3
a1a2
c1a3
c1b2
c1f4
c1e3
c1d2
d1h5
d1g4
d1f3
d1e2
d1e1
d1d2
f1e1
g1h2
g1h1
g1g2
c2c3
f2g4
f2h1
g3f4
g3g4
h3g2
h3c8
h3d7
h3e6
h3f5
h3g4
a4a5
e4e5
h4h5

## Board State Fen
r2q1rk1/pp3bpp/2nb1p2/2p5/P1PpPp1P/3P2PB/2P2N2/R1BQ1RK1 w - - 0 19
assistant
g3f4