You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[(3,4-dimethylphenyl)sulfonylamino]-N-(1-methyl-4,5,6,7-tetrahydroindazol-4-yl)propanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H26N4O3S
assistant