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
b1c1
b1a1
e1c1
e1d1
e1h1
e1g1
e1f1
e1e3
e1e2
a2a4
a2a3
b2b4
b2b3
c2c4
c2c3
d2d1
d2f2
d2e2
d2d6
d2d5
d2d4
d2d3
g2g4
g2g3
f3f4
e4f5

## Board State Fen
4r3/pp6/2rp1kp1/4pp1p/4P2P/5P2/PPPR2P1/1K2R3 w - - 2 26
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
b1c1
b1a1
e1c1
e1d1
e1h1
e1g1
e1f1
e1e3
e1e2
a2a4
a2a3
b2b4
b2b3
c2c4
c2c3
d2d1
d2f2
d2e2
d2d6
d2d5
d2d4
d2d3
g2g4
g2g3
f3f4
e4f5

## Board State Fen
4r3/pp6/2rp1kp1/4pp1p/4P2P/5P2/PPPR2P1/1K2R3 w - - 2 26
assistant
c2c4