You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (2R)-2-[5-[(3-ethenyl-2,4,6-trimethoxyphenyl)sulfonylmethyl]-2-methoxyanilino]-2-phenylacetic acid into its molecular formula.
user
C27H29NO8S
assistant