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
a2a4
a2a3
g1h1
d1a4
d1b3
d1c2
d1e1
f1e1
a1b1
b2b4
b2b3
d2d4
d2d3
e2e4
e2e3
g2h1
g2h3
h2h4
h2h3
f3e1
f3e5
f3g5
f3d4
f3h4
g3g4
c4b6
c4d6
c4a3
c4a5
c4e3
c4e5

## Board State Fen
r1bqk2r/pp2ppbp/2n2np1/2p5/2N5/5NP1/PP1PPPBP/R1BQ1RK1 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
a2a4
a2a3
g1h1
d1a4
d1b3
d1c2
d1e1
f1e1
a1b1
b2b4
b2b3
d2d4
d2d3
e2e4
e2e3
g2h1
g2h3
h2h4
h2h3
f3e1
f3e5
f3g5
f3d4
f3h4
g3g4
c4b6
c4d6
c4a3
c4a5
c4e3
c4e5

## Board State Fen
r1bqk2r/pp2ppbp/2n2np1/2p5/2N5/5NP1/PP1PPPBP/R1BQ1RK1 w kq - 1 8
assistant
b2b3