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
d1a4
d1b3
d1c2
d1e2
e1f1
e1e3
e1e2
g1h1
g1f1
a2a4
a2a3
b2b3
d2d4
d2d3
g2f1
g2h1
g2h3
h2h4
h2h3
c3b1
c3b5
c3d5
c3a4
c3e2
f3e5
f3g5
f3d4
f3h4
g3g4
e4e5

## Board State Fen
rn1qk2r/pb2bppp/1p2p3/2p5/1n2P3/2N2NP1/PP1P1PBP/R1BQR1K1 w kq - 1 10
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
d1a4
d1b3
d1c2
d1e2
e1f1
e1e3
e1e2
g1h1
g1f1
a2a4
a2a3
b2b3
d2d4
d2d3
g2f1
g2h1
g2h3
h2h4
h2h3
c3b1
c3b5
c3d5
c3a4
c3e2
f3e5
f3g5
f3d4
f3h4
g3g4
e4e5

## Board State Fen
rn1qk2r/pb2bppp/1p2p3/2p5/1n2P3/2N2NP1/PP1P1PBP/R1BQR1K1 w kq - 1 10
assistant
d2d4