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
c3a3
c3b3
c3c1
c3c2
c3e3
c3d3
c3c8
c3c7
c3c6
c3c5
c3c4
a6a5
e7f8
e7f7
e7f6
e7e8
e7d8
e7d7
e7d6

## Board State Fen
8/4k3/p3n2p/4R2P/5PK1/P1r1P3/8/8 b - - 13 57
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
c3a3
c3b3
c3c1
c3c2
c3e3
c3d3
c3c8
c3c7
c3c6
c3c5
c3c4
a6a5
e7f8
e7f7
e7f6
e7e8
e7d8
e7d7
e7d6

## Board State Fen
8/4k3/p3n2p/4R2P/5PK1/P1r1P3/8/8 b - - 13 57
assistant
c3c5