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
a5a4
b5b4
c7a7
c7b7
c7c5
c7c6
c7e7
c7d7
f7g8
f7f8
f7e8
f7e7
c8a8
c8b8
c8h8
c8g8
c8f8
c8e8
c8d8

## Board State Fen
2r5/2r2kp1/3Rp1Rp/pp2p2P/2p1P3/2P5/1P3PP1/5K2 b - - 1 35
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
a5a4
b5b4
c7a7
c7b7
c7c5
c7c6
c7e7
c7d7
f7g8
f7f8
f7e8
f7e7
c8a8
c8b8
c8h8
c8g8
c8f8
c8e8
c8d8

## Board State Fen
2r5/2r2kp1/3Rp1Rp/pp2p2P/2p1P3/2P5/1P3PP1/5K2 b - - 1 35
assistant
c8e8