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
d5e6
d5e5
d5e4
d5d4
d5c6
d5c5
d5c4
d6a6
d6b6
d6c6
d6h6
d6g6
d6f6
d6e6
d6d8
d6d7
g4g5
f4f5

## Board State Fen
8/6k1/3R3p/3K4/5PP1/8/8/6r1 w - - 27 67
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
d5e6
d5e5
d5e4
d5d4
d5c6
d5c5
d5c4
d6a6
d6b6
d6c6
d6h6
d6g6
d6f6
d6e6
d6d8
d6d7
g4g5
f4f5

## Board State Fen
8/6k1/3R3p/3K4/5PP1/8/8/6r1 w - - 27 67
assistant
d5e6