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
a1b1
a1a3
a1a2
d1e2
e1f1
e1e3
e1e2
g1h2
g1h1
g1f1
b2b4
b2b3
c2b1
c2b3
c2d3
d2c4
d2b1
d2b3
d2f1
g2g4
g2g3
c3c4
f3e5
f3g5
f3h2
f3h4
h3h4
a4b5
a4a5
d4e5
d4d5

## Board State Fen
r2qrbk1/1bpn1ppp/p2p1n2/1p2p3/P2PP3/2P2N1P/1PBN1PP1/R1BQR1K1 w - - 1 14
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
a1b1
a1a3
a1a2
d1e2
e1f1
e1e3
e1e2
g1h2
g1h1
g1f1
b2b4
b2b3
c2b1
c2b3
c2d3
d2c4
d2b1
d2b3
d2f1
g2g4
g2g3
c3c4
f3e5
f3g5
f3h2
f3h4
h3h4
a4b5
a4a5
d4e5
d4d5

## Board State Fen
r2qrbk1/1bpn1ppp/p2p1n2/1p2p3/P2PP3/2P2N1P/1PBN1PP1/R1BQR1K1 w - - 1 14
assistant
d1e2