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
f1c4
f1d3
f1e2
g1h3
g1e2
d1c1
d1e1
a2a4
a2a3
b1c2
b1c1
b1a1
d2c1
d2a5
d2b4
d2c3
d2e1
d2c2
d2f2
d2e2
d2d4
d2d3
g2g4
g2g3
h2h4
h2h3
e3b6
e3c5
e3d4
e3f2
e3h6
e3g5
e3f4
f3f4
e4e5
b5a3
b5a7
b5c3
b5c7
b5d4
b5d6
d5c6
d5d6

## Board State Fen
r1br2k1/1ppqppbp/pnn3p1/1N1P4/4P3/4BP2/PP1Q2PP/1K1R1BNR w - - 0 13
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
f1c4
f1d3
f1e2
g1h3
g1e2
d1c1
d1e1
a2a4
a2a3
b1c2
b1c1
b1a1
d2c1
d2a5
d2b4
d2c3
d2e1
d2c2
d2f2
d2e2
d2d4
d2d3
g2g4
g2g3
h2h4
h2h3
e3b6
e3c5
e3d4
e3f2
e3h6
e3g5
e3f4
f3f4
e4e5
b5a3
b5a7
b5c3
b5c7
b5d4
b5d6
d5c6
d5d6

## Board State Fen
r1br2k1/1ppqppbp/pnn3p1/1N1P4/4P3/4BP2/PP1Q2PP/1K1R1BNR w - - 0 13
assistant
b5c3