Narceene or Narceine: How To spell?

The word Narceene is misspelled against Narceine, a noun meaning "An alkaloid found in small quantities in opium, and extracted as a white crystalline substance of a bitter astringent taste. It is a narcotic. Called also narceia."

Word contains consecutive vowels 'EI' in between alphabets narc & ne is misspelled as 'EE'
Wrong Spelling:  narc-ee-ne 
Correct Spelling:  narc-ei-ne 
Explore spell check of Narceine to spell without errors.