You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(2S,4R)-1-[5-cyano-3-(2-methoxyphenyl)-1-(4-methoxyphenyl)sulfonyl-2-oxoindol-3-yl]-4-hydroxypyrrolidin-2-yl] N,N-dimethylcarbamate by IUPAC nomenclature, provide its molecular formula.
user
C30H30N4O8S
assistant