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
b2b4
b2b3
g1h1
g1f1
d1b1
d1c1
d1f1
d1e1
d1d3
d1d2
a1c1
a1b1
a1a3
a1a2
e2a6
e2b5
e2c4
e2d3
e2f1
e2h5
e2g4
e2f3
f2f4
f2f3
g2g4
g2g3
h2h4
h2h3
d4c2
d4c6
d4e6
d4b3
d4b5
d4f3
d4f5
a5e1
a5d2
a5c3
a5b4
a5d8
a5c7
a5b6

## Board State Fen
r1r3k1/1p1b1pp1/p4n1p/B3b3/P2Np3/4P3/1P2BPPP/R2R2K1 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
b2b4
b2b3
g1h1
g1f1
d1b1
d1c1
d1f1
d1e1
d1d3
d1d2
a1c1
a1b1
a1a3
a1a2
e2a6
e2b5
e2c4
e2d3
e2f1
e2h5
e2g4
e2f3
f2f4
f2f3
g2g4
g2g3
h2h4
h2h3
d4c2
d4c6
d4e6
d4b3
d4b5
d4f3
d4f5
a5e1
a5d2
a5c3
a5b4
a5d8
a5c7
a5b6

## Board State Fen
r1r3k1/1p1b1pp1/p4n1p/B3b3/P2Np3/4P3/1P2BPPP/R2R2K1 w - - 0 23
assistant
h2h3