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
a4b3
a4c6
a4b5
f3e5
f3g1
f3g5
f3d4
f3h4
b2b4
b2b3
h2h4
h2h3
e1g1
e1f1
e1e2
d2d4
d2d3
a2a3
g2g4
g2g3
c2c4
c2c3
b1a3
b1c3
h1f1
h1g1
d1e2

## Board State Fen
r1bqkb1r/1ppp1ppp/p1n2n2/4p3/B3P3/5N2/PPPP1PPP/RNBQK2R w KQkq - 2 5
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
a4b3
a4c6
a4b5
f3e5
f3g1
f3g5
f3d4
f3h4
b2b4
b2b3
h2h4
h2h3
e1g1
e1f1
e1e2
d2d4
d2d3
a2a3
g2g4
g2g3
c2c4
c2c3
b1a3
b1c3
h1f1
h1g1
d1e2

## Board State Fen
r1bqkb1r/1ppp1ppp/p1n2n2/4p3/B3P3/5N2/PPPP1PPP/RNBQK2R w KQkq - 2 5
assistant
a4c6