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
a5e1
a5d2
a5c3
a5b4
a5d8
a5c7
a5b6
a5a3
a5a4
a5h5
a5g5
a5f5
a5e5
a5d5
a5c5
a5b5
a5a6
c6c5
g6e4
g6f5
g6h5
g6h7
h6h5
a7a6
b7b5
b7b6
f7f5
f7f6
a8f8
a8e8
a8d8
a8c8
a8b8
g8h8
g8h7
g8f8

## Board State Fen
r5k1/pp3pp1/2p3bp/q7/4P3/P7/1PQ2PPP/3R1BK1 b - - 2 20
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
a5e1
a5d2
a5c3
a5b4
a5d8
a5c7
a5b6
a5a3
a5a4
a5h5
a5g5
a5f5
a5e5
a5d5
a5c5
a5b5
a5a6
c6c5
g6e4
g6f5
g6h5
g6h7
h6h5
a7a6
b7b5
b7b6
f7f5
f7f6
a8f8
a8e8
a8d8
a8c8
a8b8
g8h8
g8h7
g8f8

## Board State Fen
r5k1/pp3pp1/2p3bp/q7/4P3/P7/1PQ2PPP/3R1BK1 b - - 2 20
assistant
a5b6