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
b2c3
b2b3
h1g1
e1d1
a1b1
a1a2
c2b1
c2a4
c2b3
c2d1
c2h7
c2g6
c2f5
c2e4
c2d3
c2c3
d2c3
e2e4
e2e3
g2g4
g2g3
h2h4
h2h3
a3a4
f3e5
f3g1
f3g5
f3d4
f3h4
c4c5

## Board State Fen
rnbq1rk1/pppp1ppp/4pn2/8/2P5/P1b2N2/1PQPPPPP/R1B1KB1R w KQ - 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
b2c3
b2b3
h1g1
e1d1
a1b1
a1a2
c2b1
c2a4
c2b3
c2d1
c2h7
c2g6
c2f5
c2e4
c2d3
c2c3
d2c3
e2e4
e2e3
g2g4
g2g3
h2h4
h2h3
a3a4
f3e5
f3g1
f3g5
f3d4
f3h4
c4c5

## Board State Fen
rnbq1rk1/pppp1ppp/4pn2/8/2P5/P1b2N2/1PQPPPPP/R1B1KB1R w KQ - 0 6
assistant
b2c3