You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5,5-dimethyl-2-phenyl-1,2,4-triazolidine-3-thione;5-methyl-1-(2-methyl-2-phenylpropyl)-1,2,4-triazolidin-3-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H32N6OS
assistant