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
a6a5
c6b4
c6b8
c6d4
c6d8
c6a5
c6a7
c6e5
c6e7
h6h5
b7b5
b7b6
d7c7
d7d5
d7d6
d7f7
d7e7
d7d8
g7g5
g7g6
e8a8
e8b8
e8c8
e8d8
e8e1
e8e2
e8e3
e8e4
e8e5
e8e6
e8e7
e8f8
g8h8
g8h7

## Board State Fen
4r1k1/1p1r2p1/p1n4p/2RN4/3P4/1P5P/P5P1/5RK1 b - - 2 29
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
a6a5
c6b4
c6b8
c6d4
c6d8
c6a5
c6a7
c6e5
c6e7
h6h5
b7b5
b7b6
d7c7
d7d5
d7d6
d7f7
d7e7
d7d8
g7g5
g7g6
e8a8
e8b8
e8c8
e8d8
e8e1
e8e2
e8e3
e8e4
e8e5
e8e6
e8e7
e8f8
g8h8
g8h7

## Board State Fen
4r1k1/1p1r2p1/p1n4p/2RN4/3P4/1P5P/P5P1/5RK1 b - - 2 29
assistant
c6d4