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
d1a1
d1b1
d1c1
d1d3
d1d2
e1f1
e1e6
e1e5
e1e4
e1e3
e1e2
g1h1
g1f1
a2a4
a2a3
f2f4
f2f3
g2g4
g2g3
h2h3
b3b4
c3b1
c3b5
c3d5
c3a4
c3e2
c3e4
c4a6
c4b5
c4f1
c4e2
c4d3
c4e6
c4d5
c4a4
c4b4
c4c6
c4c5
d4d5

## Board State Fen
1rbr2k1/p1p2pp1/2p1p2p/8/2QP3q/1PN5/P4PPP/3RR1K1 w - - 1 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
d1a1
d1b1
d1c1
d1d3
d1d2
e1f1
e1e6
e1e5
e1e4
e1e3
e1e2
g1h1
g1f1
a2a4
a2a3
f2f4
f2f3
g2g4
g2g3
h2h3
b3b4
c3b1
c3b5
c3d5
c3a4
c3e2
c3e4
c4a6
c4b5
c4f1
c4e2
c4d3
c4e6
c4d5
c4a4
c4b4
c4c6
c4c5
d4d5

## Board State Fen
1rbr2k1/p1p2pp1/2p1p2p/8/2QP3q/1PN5/P4PPP/3RR1K1 w - - 1 18
assistant
c4c6