You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[1-[(3-bromo-5-ethoxy-4-propoxyphenyl)methyl]-3-methylpyrrolidin-3-yl]methanamine;hydrochloride is the IUPAC name of a molecule. Please give its molecular formula.
user
C18H30BrClN2O2
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