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
a2a1
a2a1
a2a1
a2a1
d3b1
d3c2
d3a6
d3b5
d3c4
d3f1
d3e2
d3f5
d3e4
c6c5
g8h8
g8f8

## Board State Fen
6k1/8/2p2KP1/5P2/8/2Bb4/p7/8 b - - 0 50
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
a2a1
a2a1
a2a1
a2a1
d3b1
d3c2
d3a6
d3b5
d3c4
d3f1
d3e2
d3f5
d3e4
c6c5
g8h8
g8f8

## Board State Fen
6k1/8/2p2KP1/5P2/8/2Bb4/p7/8 b - - 0 50
assistant
c6c5