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
c3d3
c3d2
c3b3
c3b2

## Board State Fen
8/8/R1p5/1p1k4/1Pr5/2K5/8/8 w - - 4 108
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
c3d3
c3d2
c3b3
c3b2

## Board State Fen
8/8/R1p5/1p1k4/1Pr5/2K5/8/8 w - - 4 108
assistant
c3b3