You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[4-[[1-[1-(4-chlorophenyl)cyclobutyl]-1,2,3,4-tetrahydroisoquinolin-7-yl]oxy]phenyl]thiophene-2-sulfonamide;hydrochloride is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H28Cl2N2O3S2
assistant