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
b6a6
b6b2
b6b3
b6b4
b6b5
b6e6
b6d6
b6c6
f6e5
f6d8
f6e7
f6h4
f6g5
h6h5
c7c5
c7c6
g7g5
g7g6
b8a6
b8c6
b8d7
f8c8
f8d8
f8e8
g8h8
g8h7

## Board State Fen
1n3rk1/1pp2pp1/1r3b1p/p2BN3/P2P4/6P1/1P2PP1P/R2R2K1 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
b6a6
b6b2
b6b3
b6b4
b6b5
b6e6
b6d6
b6c6
f6e5
f6d8
f6e7
f6h4
f6g5
h6h5
c7c5
c7c6
g7g5
g7g6
b8a6
b8c6
b8d7
f8c8
f8d8
f8e8
g8h8
g8h7

## Board State Fen
1n3rk1/1pp2pp1/1r3b1p/p2BN3/P2P4/6P1/1P2PP1P/R2R2K1 b - - 0 18
assistant
f6e5