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
f1b1
f1c1
f1d1
f1e1
f2f4
f2f3
b2b4
b2b3
g1h1
a2a3
a1e1
a1d1
a1c1
a1b1
g2g4
g2g3
h2h4
h2h3
c3c4
a4d1
a4c2
a4b3
a4e8
a4d7
a4c6
a4b5
a4a3
a4c4
a4b4
a4a7
a4a6
a4a5
d4c2
d4c6
d4e2
d4e6
d4b3
d4b5
d4f3
d4f5

## Board State Fen
r4rk1/pb2qpp1/1p5p/4p3/Q2Np3/2P1P3/PP3PPP/R4RK1 w - - 0 17
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
f1b1
f1c1
f1d1
f1e1
f2f4
f2f3
b2b4
b2b3
g1h1
a2a3
a1e1
a1d1
a1c1
a1b1
g2g4
g2g3
h2h4
h2h3
c3c4
a4d1
a4c2
a4b3
a4e8
a4d7
a4c6
a4b5
a4a3
a4c4
a4b4
a4a7
a4a6
a4a5
d4c2
d4c6
d4e2
d4e6
d4b3
d4b5
d4f3
d4f5

## Board State Fen
r4rk1/pb2qpp1/1p5p/4p3/Q2Np3/2P1P3/PP3PPP/R4RK1 w - - 0 17
assistant
d4e2