Complex sentence: Despite the song not reaching the top position on the Hot 100, it blocked Carey's "We Belong Together" from the Mainstream Top 40 where it remained at number one for five consecutive weeks.
Split into simpler sentences: Despite the song not reaching the top position on the Hot 100, it blocked Carey's "We Belong Together" from the Mainstream Top 40 chart. It remained at number one for five consecutive weeks.