You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-(1,3-benzodioxol-5-yl)-3-methyl-N-[(2S)-4-phenylbutan-2-yl]-1,2-oxazole-4-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H22N2O4
assistant