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
a6f1
a6e2
a6d3
a6c4
a6b5
a6c8
a6b7
b6b5
f7f5
f7f6
g7g5
g7g6
h7h5
h7h6
d8c7
d8h4
d8g5
d8f6
d8e7
g8h8
g8f8

## Board State Fen
3b2k1/p4ppp/bpP5/8/3N4/6P1/P4PBP/6K1 b - - 1 26
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
a6f1
a6e2
a6d3
a6c4
a6b5
a6c8
a6b7
b6b5
f7f5
f7f6
g7g5
g7g6
h7h5
h7h6
d8c7
d8h4
d8g5
d8f6
d8e7
g8h8
g8f8

## Board State Fen
3b2k1/p4ppp/bpP5/8/3N4/6P1/P4PBP/6K1 b - - 1 26
assistant
a6c4