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
a5a2
a5a3
a5a4
a5h5
a5g5
a5f5
a5e5
a5d5
a5c5
a5b5
a5a6
e6e5
h6h5
a7a6
b7b5
b7b6
e7a3
e7b4
e7c5
e7d6
e7d8
e7h4
e7g5
e7f6
e7f8
f7f5
f7f6
g7g5
g7g6
b8a6
b8c6
b8d7
c8d7
e8g8
e8f8
e8d8
e8d7
h8f8
h8g8
h8h7

## Board State Fen
rnb1k2r/pp2bpp1/4p2p/q7/2B1N3/4PN2/PPQ1KPPP/R1R5 b kq - 5 13
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
a5a2
a5a3
a5a4
a5h5
a5g5
a5f5
a5e5
a5d5
a5c5
a5b5
a5a6
e6e5
h6h5
a7a6
b7b5
b7b6
e7a3
e7b4
e7c5
e7d6
e7d8
e7h4
e7g5
e7f6
e7f8
f7f5
f7f6
g7g5
g7g6
b8a6
b8c6
b8d7
c8d7
e8g8
e8f8
e8d8
e8d7
h8f8
h8g8
h8h7

## Board State Fen
rnb1k2r/pp2bpp1/4p2p/q7/2B1N3/4PN2/PPQ1KPPP/R1R5 b kq - 5 13
assistant
e8g8