You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-methyl-N-(4-methyl-3-morpholin-4-ylsulfonylphenyl)-2-phenyl-1,3-oxazole-4-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H23N3O5S
assistant