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
h1f1
h1g1
h2h4
h2h3
g2g4
g2g3
e1g1
e1f1
e1d2
e1d1
c3c4
d3d4
f3e5
f3g1
f3g5
f3d2
f3d4
f3h4
a4d1
a4c2
a4b3
a4c6
a4b5
e2d1
e2f1
e2c2
e2d2
e2e3
a2a3
c1h6
c1g5
c1f4
c1e3
c1d2
b1a3
b1d2

## Board State Fen
r1bqr1k1/1ppp1ppp/p1nb1n2/4p3/B3P3/2PP1N2/PP2QPPP/RNB1K2R w KQ - 1 8
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
h1f1
h1g1
h2h4
h2h3
g2g4
g2g3
e1g1
e1f1
e1d2
e1d1
c3c4
d3d4
f3e5
f3g1
f3g5
f3d2
f3d4
f3h4
a4d1
a4c2
a4b3
a4c6
a4b5
e2d1
e2f1
e2c2
e2d2
e2e3
a2a3
c1h6
c1g5
c1f4
c1e3
c1d2
b1a3
b1d2

## Board State Fen
r1bqr1k1/1ppp1ppp/p1nb1n2/4p3/B3P3/2PP1N2/PP2QPPP/RNB1K2R w KQ - 1 8
assistant
e1g1