You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[3H-benzimidazol-5-yl(phenyl)methyl]-3-[(4-tert-butylphenyl)sulfonylamino]propanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H30N4O3S
assistant