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
a1b1
a1a2
c1b1
c1h1
c1g1
c1f1
c1e1
c1d1
c1c8
c1c7
c1c6
c1c5
c1c4
c1c3
c1c2
b2b3
h2h3
a3b4
a3a4
g3h4
g3g4
f4f5
e6a2
e6b3
e6c4
e6d5
e6c8
e6d7
e6h3
e6g4
e6f5
e6g8
e6f7

## Board State Fen
8/1b6/1k2Bp2/p7/1p3P1p/P5P1/1P1r3P/K1R5 w - - 2 41
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
a1b1
a1a2
c1b1
c1h1
c1g1
c1f1
c1e1
c1d1
c1c8
c1c7
c1c6
c1c5
c1c4
c1c3
c1c2
b2b3
h2h3
a3b4
a3a4
g3h4
g3g4
f4f5
e6a2
e6b3
e6c4
e6d5
e6c8
e6d7
e6h3
e6g4
e6f5
e6g8
e6f7

## Board State Fen
8/1b6/1k2Bp2/p7/1p3P1p/P5P1/1P1r3P/K1R5 w - - 2 41
assistant
a3b4