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
a7a5
a7a6
b6b5
e7a3
e7b4
e7c5
e7d6
e7h4
e7g5
e7f6
e7f8
f7f5
f7f6
g7g5
g7g6
h7h5
h7h6
c8a8
c8b8
c8c4
c8c5
c8c6
c8c7
d8d4
d8d5
d8d6
d8d7
e8f8

## Board State Fen
2rrk3/p3bppp/1p2p3/4P3/2PRK3/1P4P1/1B3P1P/3R4 b - - 4 24
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
a7a5
a7a6
b6b5
e7a3
e7b4
e7c5
e7d6
e7h4
e7g5
e7f6
e7f8
f7f5
f7f6
g7g5
g7g6
h7h5
h7h6
c8a8
c8b8
c8c4
c8c5
c8c6
c8c7
d8d4
d8d5
d8d6
d8d7
e8f8

## Board State Fen
2rrk3/p3bppp/1p2p3/4P3/2PRK3/1P4P1/1B3P1P/3R4 b - - 4 24
assistant
b6b5