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
d4b6
d6c7
d8e8
d8d7
d8c8

## Board State Fen
N2k2r1/5p2/2pqbP2/Qp6/3b2P1/P1pP3P/6B1/5R1K b - - 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
d4b6
d6c7
d8e8
d8d7
d8c8

## Board State Fen
N2k2r1/5p2/2pqbP2/Qp6/3b2P1/P1pP3P/6B1/5R1K b - - 6 40
assistant
d8c8