You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-2-[[2-(3-methoxy-N-methylsulfonylanilino)acetyl]-[(3-methoxyphenyl)methyl]amino]-N-methylpropanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H29N3O6S
assistant