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
a1e1
a1d1
a1c1
a1b1
f1b1
f1c1
f1d1
f1e1
g1h2
g1h1
a2a4
a2a3
b2a3
b2c1
b2f6
b2e5
b2d4
b2c3
b2b1
b2d2
b2c2
e2d4
e2f4
e2c1
e2c3
f2f4
f2f3
g2d5
g2e4
g2f3
g2h1
b3b4
d3d4
e3e4
g3g4
h3h4

## Board State Fen
r3r1k1/1p1n1p1p/p1p2qp1/3p3n/8/1P1PP1PP/PQ2NPB1/R4RK1 w - - 1 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
a1e1
a1d1
a1c1
a1b1
f1b1
f1c1
f1d1
f1e1
g1h2
g1h1
a2a4
a2a3
b2a3
b2c1
b2f6
b2e5
b2d4
b2c3
b2b1
b2d2
b2c2
e2d4
e2f4
e2c1
e2c3
f2f4
f2f3
g2d5
g2e4
g2f3
g2h1
b3b4
d3d4
e3e4
g3g4
h3h4

## Board State Fen
r3r1k1/1p1n1p1p/p1p2qp1/3p3n/8/1P1PP1PP/PQ2NPB1/R4RK1 w - - 1 18
assistant
d3d4