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
a1e5
a1d4
a1c3
a1b2
c2c3
d2e4
d2b1
d2b3
d2f1
d2f3
f2f4
f2f3
g2f1
g2c6
g2d5
g2e4
g2f3
g2h1
g2h3
g2g1
h2h1
h2g1
d3d4
g3g4

## Board State Fen
6k1/2p3p1/2p2b2/2n1pq1p/1pP4P/3P2P1/2PN1PQK/B7 w - - 3 41
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
a1e5
a1d4
a1c3
a1b2
c2c3
d2e4
d2b1
d2b3
d2f1
d2f3
f2f4
f2f3
g2f1
g2c6
g2d5
g2e4
g2f3
g2h1
g2h3
g2g1
h2h1
h2g1
d3d4
g3g4

## Board State Fen
6k1/2p3p1/2p2b2/2n1pq1p/1pP4P/3P2P1/2PN1PQK/B7 w - - 3 41
assistant
a1b2