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
d1c1
d1e1
d1d3
d1d2
c2c4
c2c3
g1h2
g1h1
f1e1
b2b4
b2b3
b1a1
b1c1
e2f4
e2c1
e2c3
e2g3
g2g4
g2g3
a3a4
f3e1
f3e5
f3g5
f3d2
f3h2
f3h4
h3h4

## Board State Fen
r4r1k/1p3p1p/pqn1pb2/3p1p2/3P4/P4N1P/1PP1NPP1/1R1Q1RK1 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
d1c1
d1e1
d1d3
d1d2
c2c4
c2c3
g1h2
g1h1
f1e1
b2b4
b2b3
b1a1
b1c1
e2f4
e2c1
e2c3
e2g3
g2g4
g2g3
a3a4
f3e1
f3e5
f3g5
f3d2
f3h2
f3h4
h3h4

## Board State Fen
r4r1k/1p3p1p/pqn1pb2/3p1p2/3P4/P4N1P/1PP1NPP1/1R1Q1RK1 w - - 2 18
assistant
f1e1