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
b4a4
b4b2
b4b3
b4c4
b4b8
b4b7
b4b6
b4b5
a6a5
c7c5
c7c6
f7f5
f7f6
g7g5
g7g6
h7h6
c8b7
c8h3
c8g4
c8f5
c8e6
c8d7
d8h4
d8g5
d8f6
d8e7
d8d5
d8d6
d8d7
e8e3
e8e4
e8e5
e8e6
e8e7
e8f8
g8h8
g8f8

## Board State Fen
2bqr1k1/2p2ppp/p7/3P3Q/1rP5/4R3/PB3PPP/1R4K1 b - - 0 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
b4a4
b4b2
b4b3
b4c4
b4b8
b4b7
b4b6
b4b5
a6a5
c7c5
c7c6
f7f5
f7f6
g7g5
g7g6
h7h6
c8b7
c8h3
c8g4
c8f5
c8e6
c8d7
d8h4
d8g5
d8f6
d8e7
d8d5
d8d6
d8d7
e8e3
e8e4
e8e5
e8e6
e8e7
e8f8
g8h8
g8f8

## Board State Fen
2bqr1k1/2p2ppp/p7/3P3Q/1rP5/4R3/PB3PPP/1R4K1 b - - 0 20
assistant
e8e3