You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 2-[(1S,2S,4S)-2-bicyclo[2.2.1]heptanyl]-N-[(1S)-1-(4-methylphenyl)propyl]acetamide is given. What is its corresponding molecular formula?
user
C19H27NO
assistant