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
a5b4
a5c7
a5b6
a5a3
a5a4
a5h5
a5g5
a5f5
a5e5
a5d5
a5c5
a5b5
a5a6
a7a6
b7b5
b7b6
f7f5
f7f6
g7g5
g7g6
h7h5
h7h6
a8b8
c8h3
c8g4
c8f5
c8e6
c8d7
d8d3
d8d4
d8d5
d8d6
d8d7
d8f8
d8e8
g8h8

## Board State Fen
r1br2k1/pp3ppp/8/q7/1Q6/P2BP3/1P2KPPP/R6R b - - 2 17
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
a5b4
a5c7
a5b6
a5a3
a5a4
a5h5
a5g5
a5f5
a5e5
a5d5
a5c5
a5b5
a5a6
a7a6
b7b5
b7b6
f7f5
f7f6
g7g5
g7g6
h7h5
h7h6
a8b8
c8h3
c8g4
c8f5
c8e6
c8d7
d8d3
d8d4
d8d5
d8d6
d8d7
d8f8
d8e8
g8h8

## Board State Fen
r1br2k1/pp3ppp/8/q7/1Q6/P2BP3/1P2KPPP/R6R b - - 2 17
assistant
a5h5