You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9-[5-(3-methoxyphenyl)furan-2-carbonyl]-2-phenyl-1,5,9-triazacyclotridecan-4-one;hydrochloride is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H34ClN3O4
assistant