You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[3-[(2-phenoxyacetyl)amino]phenyl]sulfanyl-2-phenyl-N-(4-phenyl-1,3-thiazol-2-yl)acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C31H25N3O3S2
assistant