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
f1b5
f1c4
f1d3
f1e2
f1h3
f1g2
g1h2
g1h1
g1g2
g1f2
f3f4
a6a7
c6b6
c6c1
c6c2
c6c3
c6c4
c6c5
c6g6
c6f6
c6e6
c6d6
c6c8
c6c7

## Board State Fen
8/5pk1/P1R3n1/6pp/r7/5P2/8/5BK1 w - - 4 56
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
f1b5
f1c4
f1d3
f1e2
f1h3
f1g2
g1h2
g1h1
g1g2
g1f2
f3f4
a6a7
c6b6
c6c1
c6c2
c6c3
c6c4
c6c5
c6g6
c6f6
c6e6
c6d6
c6c8
c6c7

## Board State Fen
8/5pk1/P1R3n1/6pp/r7/5P2/8/5BK1 w - - 4 56
assistant
c6c5