You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name [3-[(2-methyl-4-phenylpyrrolidin-1-yl)methyl]-1,2,4-oxadiazol-5-yl]methanamine;hydrochloride ?
user
C15H21ClN4O
assistant