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
c3e5
e4f3
e4d5
e4d4
e4d3
d6e6

## Board State Fen
8/pp2r1k1/3R1p2/5Pb1/4K2p/2B5/PP4P1/8 w - - 6 40
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
c3e5
e4f3
e4d5
e4d4
e4d3
d6e6

## Board State Fen
8/pp2r1k1/3R1p2/5Pb1/4K2p/2B5/PP4P1/8 w - - 6 40
assistant
d6e6