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
g2g4
g2g3
h2h4
h2h3
f3e5
f3g1
f3g5
f3d2
f3h4
c4c5
d4d5
e4b1
e4c2
e4d3
e4b7
e4c6
e4d5
e4h7
e4g6
e4f5
e1g1
e1f1
e1e2
e1d2
c1h6
c1g5
c1f4
c1e3
c1d2
a2a4
a2a3
h1f1
h1g1
d1a4
d1b3
d1c2
d1e2
d1d3
d1d2
a1b1

## Board State Fen
r1bq1rk1/ppp1bppp/4pn2/8/2PPB3/5N2/PP3PPP/R1BQK2R w KQ - 1 10
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
g2g4
g2g3
h2h4
h2h3
f3e5
f3g1
f3g5
f3d2
f3h4
c4c5
d4d5
e4b1
e4c2
e4d3
e4b7
e4c6
e4d5
e4h7
e4g6
e4f5
e1g1
e1f1
e1e2
e1d2
c1h6
c1g5
c1f4
c1e3
c1d2
a2a4
a2a3
h1f1
h1g1
d1a4
d1b3
d1c2
d1e2
d1d3
d1d2
a1b1

## Board State Fen
r1bq1rk1/ppp1bppp/4pn2/8/2PPB3/5N2/PP3PPP/R1BQK2R w KQ - 1 10
assistant
e4c2