You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 3,4-dihydro-2H-chromen-3-yl-[3-(methylamino)pyrrolidin-1-yl]methanone;hydrochloride is given. What is its corresponding molecular formula?
user
C15H21ClN2O2
assistant