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
c5a5
c5b5
c5c1
c5c2
c5c3
c5c4
c5h5
c5g5
c5f5
c5e5
c5d5
c5c8
c5c7
c5c6
d6e7
d6d7
d6d5
d6c7
d6c6
e6d4
e6d8
e6f4
e6f8
e6c7
e6g5
e6g7

## Board State Fen
8/8/3kn3/2r5/1K6/8/8/4R3 b - - 61 70
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
c5a5
c5b5
c5c1
c5c2
c5c3
c5c4
c5h5
c5g5
c5f5
c5e5
c5d5
c5c8
c5c7
c5c6
d6e7
d6d7
d6d5
d6c7
d6c6
e6d4
e6d8
e6f4
e6f8
e6c7
e6g5
e6g7

## Board State Fen
8/8/3kn3/2r5/1K6/8/8/4R3 b - - 61 70
assistant
e6f4