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
e5e4
f6f5
d7c5
d7b6
d7b8
d7f8
g8h8
g8f8

## Board State Fen
6k1/3n4/p2P1pKp/P3p2P/2p5/2B5/8/8 b - - 0 66
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
e5e4
f6f5
d7c5
d7b6
d7b8
d7f8
g8h8
g8f8

## Board State Fen
6k1/3n4/p2P1pKp/P3p2P/2p5/2B5/8/8 b - - 0 66
assistant
e5e4