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
a1a8
a1a7
a1a6
a1a5
a1a4
a1a3
a1a2
c1a3
c1b2
c1h6
c1g5
c1f4
c1e3
c1d2
d1f1
d1e1
d1d7
d1d6
d1d5
d1d4
d1d3
d1d2
g1h1
g1f1
c2b1
c2a4
c2b3
c2d3
c2a2
c2b2
c2e2
c2d2
g2f1
g2h1
g2h3
h2h4
h2h3
c3b1
c3d5
c3a2
c3a4
c3e2
f3e1
f3e5
f3g5
f3d2
f3d4
f3h4
g3g4
e4e5
b5b6

## Board State Fen
2r2rk1/1bqnbppp/4pn2/1Pp5/2p1P3/2N2NP1/2Q2PBP/R1BR2K1 w - - 1 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
a1b1
a1a8
a1a7
a1a6
a1a5
a1a4
a1a3
a1a2
c1a3
c1b2
c1h6
c1g5
c1f4
c1e3
c1d2
d1f1
d1e1
d1d7
d1d6
d1d5
d1d4
d1d3
d1d2
g1h1
g1f1
c2b1
c2a4
c2b3
c2d3
c2a2
c2b2
c2e2
c2d2
g2f1
g2h1
g2h3
h2h4
h2h3
c3b1
c3d5
c3a2
c3a4
c3e2
f3e1
f3e5
f3g5
f3d2
f3d4
f3h4
g3g4
e4e5
b5b6

## Board State Fen
2r2rk1/1bqnbppp/4pn2/1Pp5/2p1P3/2N2NP1/2Q2PBP/R1BR2K1 w - - 1 17
assistant
g2f1