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
a5a4
c5c4
a6e2
a6d3
a6c4
a6b5
a6b7
c6b4
c6b8
c6d4
c6a7
c6e5
c6e7
f6e4
f6e8
f6g4
f6d5
f6d7
f6h5
g7g5
g7g6
h7h5
h7h6
c8a8
c8b8
c8c7
d8b6
d8c7
d8e7
d8d5
d8d6
d8d7
d8e8
f8e8
g8h8

## Board State Fen
2rq1rk1/5ppp/b1n2n2/p1pN4/8/P4NP1/1P1QPPBP/R2R2K1 b - - 0 15
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
a5a4
c5c4
a6e2
a6d3
a6c4
a6b5
a6b7
c6b4
c6b8
c6d4
c6a7
c6e5
c6e7
f6e4
f6e8
f6g4
f6d5
f6d7
f6h5
g7g5
g7g6
h7h5
h7h6
c8a8
c8b8
c8c7
d8b6
d8c7
d8e7
d8d5
d8d6
d8d7
d8e8
f8e8
g8h8

## Board State Fen
2rq1rk1/5ppp/b1n2n2/p1pN4/8/P4NP1/1P1QPPBP/R2R2K1 b - - 0 15
assistant
f6d5