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
e1d1
e1f1
e1e4
e1e3
e1e2
d2c4
d2e4
d2b1
d2b3
d2f1
g2f1
g2h1
g2h3
h2h4
h2h3
f3g5
f3h4
g3g4
c2b1
c2a4
c2b3
c2d1
c2h7
c2g6
c2f5
c2e4
c2d3
c2c4
c2c3
b2b3
a2a4
a2a3
g1h1
g1f1
a1b1

## Board State Fen
r1bq1rk1/2nnbppp/2p1p3/p1PpP3/1p1P4/5NP1/PPQN1PBP/R1B1R1K1 w - - 3 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
e1d1
e1f1
e1e4
e1e3
e1e2
d2c4
d2e4
d2b1
d2b3
d2f1
g2f1
g2h1
g2h3
h2h4
h2h3
f3g5
f3h4
g3g4
c2b1
c2a4
c2b3
c2d1
c2h7
c2g6
c2f5
c2e4
c2d3
c2c4
c2c3
b2b3
a2a4
a2a3
g1h1
g1f1
a1b1

## Board State Fen
r1bq1rk1/2nnbppp/2p1p3/p1PpP3/1p1P4/5NP1/PPQN1PBP/R1B1R1K1 w - - 3 13
assistant
a2a3