As long as you're going to go through with a centralized exchange, you'll get traced. By the way, when you ask about the best? does it mean that you're retaining your privacy or not? So, the first best way is to exchange it P2P. As suggested by other members, go through with nonkyc exchange because most of the centralized exchanges have already removed them, the exchanges listed on: https://coinmarketcap.com/currencies/monero/ are mostly centralized.