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
d1a4
d1b3
d1c2
d1b1
d1c1
d1d3
d1d2
a2a4
a2a3
h1g1
e1d2
e2e4
e2e3
a1c1
a1b1
g2g4
g2g3
h2h4
h2h3
c3b1
c3b5
c3d5
c3a4
c3e4
f3e5
f3g1
f3d2
f3h4
c4c5
d4d5
g5c1
g5d2
g5e3
g5f4
g5f6
g5h4
g5h6

## Board State Fen
rn1qkb1r/pbpp1pp1/1p2pn1p/6B1/2PP4/2N2N2/PP2PPPP/R2QKB1R w KQkq - 0 6
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
d1a4
d1b3
d1c2
d1b1
d1c1
d1d3
d1d2
a2a4
a2a3
h1g1
e1d2
e2e4
e2e3
a1c1
a1b1
g2g4
g2g3
h2h4
h2h3
c3b1
c3b5
c3d5
c3a4
c3e4
f3e5
f3g1
f3d2
f3h4
c4c5
d4d5
g5c1
g5d2
g5e3
g5f4
g5f6
g5h4
g5h6

## Board State Fen
rn1qkb1r/pbpp1pp1/1p2pn1p/6B1/2PP4/2N2N2/PP2PPPP/R2QKB1R w KQkq - 0 6
assistant
g5f6