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
c1h6
c1g5
c1f4
c1e3
c1d2
e1d1
e1f1
e1e3
e1e2
g1h2
g1h1
g1f1
a2a4
a2a3
b3a4
b3d1
b3c2
b3f7
b3e6
b3d5
b3c4
f3e5
f3g5
f3d2
f3h2
f3h4
g3f1
g3f5
g3h1
g3h5
g3e2
h3h4
d4c3
d4a7
d4b6
d4c5
d4e3
d4e5
d4a4
d4b4
d4c4
d4d1
d4d2
d4d3
d4d6
d4d5

## Board State Fen
2rqrbk1/1p1b1ppp/p2p1n2/4n3/3QP3/1B3NNP/PP3PP1/R1B1R1K1 w - - 3 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
a1b1
c1h6
c1g5
c1f4
c1e3
c1d2
e1d1
e1f1
e1e3
e1e2
g1h2
g1h1
g1f1
a2a4
a2a3
b3a4
b3d1
b3c2
b3f7
b3e6
b3d5
b3c4
f3e5
f3g5
f3d2
f3h2
f3h4
g3f1
g3f5
g3h1
g3h5
g3e2
h3h4
d4c3
d4a7
d4b6
d4c5
d4e3
d4e5
d4a4
d4b4
d4c4
d4d1
d4d2
d4d3
d4d6
d4d5

## Board State Fen
2rqrbk1/1p1b1ppp/p2p1n2/4n3/3QP3/1B3NNP/PP3PP1/R1B1R1K1 w - - 3 18
assistant
d4d1