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
f1a6
f1b5
f1c4
f1d3
f1e2
f1h3
f1g2
d1c1
d1e1
d1d7
d1d6
d1d5
d1d4
d1d3
d1d2
b2b4
b2b3
h2h4
h2h3
a2a3
f2e1
f2c5
f2d4
f2e3
g1h3
g1e2
b1c2
b1c1
b1a1
c3a5
c3b4
c3e1
c3d2
c3e5
c3d4
c3a3
c3b3
c3c1
c3c2
c3e3
c3d3
c3c5
c3c4
g3f4
g3g4
a4b6
a4c5

## Board State Fen
1rb2rk1/p1qnb2p/2p3p1/2p1p2n/N3Pp2/2Q2PP1/PP3B1P/1K1R1BNR w - - 4 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
f1a6
f1b5
f1c4
f1d3
f1e2
f1h3
f1g2
d1c1
d1e1
d1d7
d1d6
d1d5
d1d4
d1d3
d1d2
b2b4
b2b3
h2h4
h2h3
a2a3
f2e1
f2c5
f2d4
f2e3
g1h3
g1e2
b1c2
b1c1
b1a1
c3a5
c3b4
c3e1
c3d2
c3e5
c3d4
c3a3
c3b3
c3c1
c3c2
c3e3
c3d3
c3c5
c3c4
g3f4
g3g4
a4b6
a4c5

## Board State Fen
1rb2rk1/p1qnb2p/2p3p1/2p1p2n/N3Pp2/2Q2PP1/PP3B1P/1K1R1BNR w - - 4 18
assistant
f1h3