You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-1-[3-[2-(3,4,5-trimethoxyanilino)pyrrolo[2,3-d]pyrimidin-7-yl]benzoyl]pyrrolidine-2-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H27N5O6
assistant