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
c6a4
c6b5
c6a8
c6b7
c6d5
c6e8
c6d7
e4f5
e4f4
e4e3
e4d5
e4d3
c5c4
a6a5

## Board State Fen
8/8/p1bP1B2/2p5/4k2p/P6P/6PK/8 b - - 1 43
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
c6a4
c6b5
c6a8
c6b7
c6d5
c6e8
c6d7
e4f5
e4f4
e4e3
e4d5
e4d3
c5c4
a6a5

## Board State Fen
8/8/p1bP1B2/2p5/4k2p/P6P/6PK/8 b - - 1 43
assistant
e4d5