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
e6a6
e6b6
e6c6
e6d6
e6e3
e6e4
e6e5
e6e7
a7a5
a7a6
f6f5
h5f3
h5g4
h5g6
c4c3
b7b5
b7b6
f7g8
f7g7
f7g6
f7f8
f7e7
h7h6
e8a8
e8b8
e8c8
e8d8
e8e7
e8h8
e8g8
e8f8

## Board State Fen
4r3/pp3k1p/4rp2/3p3b/2pP3P/P3PP2/1P1B1K2/R6R b - - 8 27
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
e6a6
e6b6
e6c6
e6d6
e6e3
e6e4
e6e5
e6e7
a7a5
a7a6
f6f5
h5f3
h5g4
h5g6
c4c3
b7b5
b7b6
f7g8
f7g7
f7g6
f7f8
f7e7
h7h6
e8a8
e8b8
e8c8
e8d8
e8e7
e8h8
e8g8
e8f8

## Board State Fen
4r3/pp3k1p/4rp2/3p3b/2pP3P/P3PP2/1P1B1K2/R6R b - - 8 27
assistant
e6b6