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
g1f1
e1a1
e1b1
e1c1
e1d1
e1f1
b2b4
b2b3
d2c4
d2e4
d2b1
d2b3
d2f1
d2f3
e2d1
e2f1
e2h5
e2g4
e2f3
e2e8
e2e7
e2e6
e2e5
e2e4
e2e3
f2f3
g2g4
g2g3
h2h4
h2h3
c3c4
d3b1
d3c2
d3a6
d3b5
d3c4
d3f5
d3e4
f4e3
f4b8
f4c7
f4d6
f4e5
f4g3
f4h6
f4g5

## Board State Fen
r2q2k1/pp3pnp/2p2bp1/3p1b2/3P1B2/2PB4/PP1NQPPP/4R1K1 w - - 2 18
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
g1f1
e1a1
e1b1
e1c1
e1d1
e1f1
b2b4
b2b3
d2c4
d2e4
d2b1
d2b3
d2f1
d2f3
e2d1
e2f1
e2h5
e2g4
e2f3
e2e8
e2e7
e2e6
e2e5
e2e4
e2e3
f2f3
g2g4
g2g3
h2h4
h2h3
c3c4
d3b1
d3c2
d3a6
d3b5
d3c4
d3f5
d3e4
f4e3
f4b8
f4c7
f4d6
f4e5
f4g3
f4h6
f4g5

## Board State Fen
r2q2k1/pp3pnp/2p2bp1/3p1b2/3P1B2/2PB4/PP1NQPPP/4R1K1 w - - 2 18
assistant
d3f5