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
e1b1
e1c1
e1d1
e1h1
e1g1
e1f1
e1e4
e1e3
e1e2
a1d1
a1c1
a1b1
a1a3
a1a2
f2g3
f2g1
f2f1
f2e3
f2e2
c3a5
c3b4
c3d2
c3h8
c3g7
c3f6
c3e5
c3d4
a4a5
h4h5
d6d7

## Board State Fen
4r3/5k1p/pp1P4/5p2/P1p1b2P/1rB5/1P3K2/R3R3 w - - 0 35
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
e1b1
e1c1
e1d1
e1h1
e1g1
e1f1
e1e4
e1e3
e1e2
a1d1
a1c1
a1b1
a1a3
a1a2
f2g3
f2g1
f2f1
f2e3
f2e2
c3a5
c3b4
c3d2
c3h8
c3g7
c3f6
c3e5
c3d4
a4a5
h4h5
d6d7

## Board State Fen
4r3/5k1p/pp1P4/5p2/P1p1b2P/1rB5/1P3K2/R3R3 w - - 0 35
assistant
e1g1