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
b3b4
a2a4
a2a3
g2g4
g2f3
g2g3
g1h2
g1h1
g1f1
e3c3
e3d3
e3e1
e3e2
e3f3
e3e5
e3e4
h3h4

## Board State Fen
6k1/6pp/5p2/1p2p3/3r4/1P2Rq1P/P4PP1/6K1 w - - 0 31
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
b3b4
a2a4
a2a3
g2g4
g2f3
g2g3
g1h2
g1h1
g1f1
e3c3
e3d3
e3e1
e3e2
e3f3
e3e5
e3e4
h3h4

## Board State Fen
6k1/6pp/5p2/1p2p3/3r4/1P2Rq1P/P4PP1/6K1 w - - 0 31
assistant
e3f3