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
g6f4
g6h4
g6h8
g6e5
g6e7
c6b4
c6b8
c6a5
c6a7
c6e5
c6e7
c5a3
c5b4
c5a7
c5b6
c5e7
c5d6
d4d3
f7f5
f7f6
h7h5
h7h6
a8a3
a8a4
a8a5
a8a6
a8a7
a8c8
a8b8
d8a5
d8b6
d8c7
d8h4
d8g5
d8f6
d8e7
d8b8
d8c8
d8d5
d8d6
d8d7
d8e8
f8e8
g8h8

## Board State Fen
r2q1rk1/1R3ppp/2n1p1n1/2b1P3/3pQ3/P4N2/3N1PPP/2B2RK1 b - - 0 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
g6f4
g6h4
g6h8
g6e5
g6e7
c6b4
c6b8
c6a5
c6a7
c6e5
c6e7
c5a3
c5b4
c5a7
c5b6
c5e7
c5d6
d4d3
f7f5
f7f6
h7h5
h7h6
a8a3
a8a4
a8a5
a8a6
a8a7
a8c8
a8b8
d8a5
d8b6
d8c7
d8h4
d8g5
d8f6
d8e7
d8b8
d8c8
d8d5
d8d6
d8d7
d8e8
f8e8
g8h8

## Board State Fen
r2q1rk1/1R3ppp/2n1p1n1/2b1P3/3pQ3/P4N2/3N1PPP/2B2RK1 b - - 0 18
assistant
d8c8