You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-amino-2-methyl-N-[[2-(4-methylphenyl)oxan-3-yl]methyl]cyclohexane-1-carboxamide;hydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H33ClN2O2
assistant