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
c5b3
c5b7
c5d3
c5d7
c5a4
c5a6
c5e4
c5e6
b6b5
e7h4
e7g5
e7f6
g7g5
g7g6
h7h5
h7h6
a8a6
a8a7
a8b8
c8a6
c8b7
c8e6
c8d7
d8c7
d8d7
d8e8
f8e8
f8f6
f8f7
g8h8
g8f7

## Board State Fen
r1bq1rk1/4b1pp/1p1p4/p1nP1p2/P1N2B2/3B4/1PP1Q1PP/R4R1K b - - 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
c5b3
c5b7
c5d3
c5d7
c5a4
c5a6
c5e4
c5e6
b6b5
e7h4
e7g5
e7f6
g7g5
g7g6
h7h5
h7h6
a8a6
a8a7
a8b8
c8a6
c8b7
c8e6
c8d7
d8c7
d8d7
d8e8
f8e8
f8f6
f8f7
g8h8
g8f7

## Board State Fen
r1bq1rk1/4b1pp/1p1p4/p1nP1p2/P1N2B2/3B4/1PP1Q1PP/R4R1K b - - 1 18
assistant
f8f7