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
b1a1
b1e1
b1d1
b1c1
b1b7
b1b6
b1b5
b1b4
b1b3
b1b2
f1c1
f1d1
f1e1
g1h1
a2a4
a2a3
e2d1
e2b2
e2c2
e2d2
e2e1
e2e3
g2g4
g2g3
h2h4
h2h3
d3c2
d3a6
d3b5
d3c4
f3e1
f3e5
f3g5
f3d2
f3d4
f3h4
e4e5

## Board State Fen
3q1rk1/pprb1ppp/5b2/8/4P3/3B1N2/P3QPPP/1R3RK1 w - - 1 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
b1a1
b1e1
b1d1
b1c1
b1b7
b1b6
b1b5
b1b4
b1b3
b1b2
f1c1
f1d1
f1e1
g1h1
a2a4
a2a3
e2d1
e2b2
e2c2
e2d2
e2e1
e2e3
g2g4
g2g3
h2h4
h2h3
d3c2
d3a6
d3b5
d3c4
f3e1
f3e5
f3g5
f3d2
f3d4
f3h4
e4e5

## Board State Fen
3q1rk1/pprb1ppp/5b2/8/4P3/3B1N2/P3QPPP/1R3RK1 w - - 1 20
assistant
e4e5