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
c2a2
c2b2
c2c1
c2f2
c2e2
c2d2
c2c3
f3f4
h3h4
b4b5
c4d3
c4c5
c4c3
c4b3

## Board State Fen
8/8/2p2p2/4p1p1/1PK1P3/5PkP/2R3P1/r7 w - - 13 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
c2a2
c2b2
c2c1
c2f2
c2e2
c2d2
c2c3
f3f4
h3h4
b4b5
c4d3
c4c5
c4c3
c4b3

## Board State Fen
8/8/2p2p2/4p1p1/1PK1P3/5PkP/2R3P1/r7 w - - 13 56
assistant
c4c5