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
e1a1
e1b1
e1c1
e1d1
e1h1
e1g1
e1f1
e1e4
e1e3
e1e2
c6c5
e6d4
e6d8
e6f4
e6f8
e6c5
e6c7
e6g5
b7b5
b7b6
e7e8
e7d8
e7d7
g7g5
g7g6

## Board State Fen
8/1p2k1p1/p1p1n3/P3B3/1P2P3/2PK1R2/8/4r3 b - - 2 44
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
e1a1
e1b1
e1c1
e1d1
e1h1
e1g1
e1f1
e1e4
e1e3
e1e2
c6c5
e6d4
e6d8
e6f4
e6f8
e6c5
e6c7
e6g5
b7b5
b7b6
e7e8
e7d8
e7d7
g7g5
g7g6

## Board State Fen
8/1p2k1p1/p1p1n3/P3B3/1P2P3/2PK1R2/8/4r3 b - - 2 44
assistant
c6c5