You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(1,3-benzodioxol-5-ylmethyl)-2-[(2-phenylacetyl)amino]-1,3-thiazole-4-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H17N3O4S
assistant