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
a1f1
a1e1
a1d1
a1c1
a1b1
a2a4
a2a3
c2b1
c2d1
c2d3
c2b2
c2c1
c2e2
c2d2
c2c8
c2c7
c2c6
c2c5
c2c4
c2c3
g1h1
g2f1
g2h1
g2h3
h2h4
h2h3
e3d4
f3e1
f3e5
f3g5
f3d2
f3d4
f3h4
g3g4
e4d2
e4d6
e4f6
e4c3
e4c5
e4g5
d5a5
d5b5
d5c5
d5d4
d5h5
d5g5
d5f5
d5e5
d5d8
d5d7
d5d6

## Board State Fen
2r2rk1/4qpp1/bp5p/p2R4/1b1nN3/1P2PNP1/P1Q2PBP/R5K1 w - - 1 19
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
a1f1
a1e1
a1d1
a1c1
a1b1
a2a4
a2a3
c2b1
c2d1
c2d3
c2b2
c2c1
c2e2
c2d2
c2c8
c2c7
c2c6
c2c5
c2c4
c2c3
g1h1
g2f1
g2h1
g2h3
h2h4
h2h3
e3d4
f3e1
f3e5
f3g5
f3d2
f3d4
f3h4
g3g4
e4d2
e4d6
e4f6
e4c3
e4c5
e4g5
d5a5
d5b5
d5c5
d5d4
d5h5
d5g5
d5f5
d5e5
d5d8
d5d7
d5d6

## Board State Fen
2r2rk1/4qpp1/bp5p/p2R4/1b1nN3/1P2PNP1/P1Q2PBP/R5K1 w - - 1 19
assistant
f3d4