You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 2-[3-[[(5R)-5-(4-methoxyphenyl)-7-methyl-3-oxo-6-(phenylcarbamoyl)-5H-[1,3]thiazolo[3,2-a]pyrimidin-2-ylidene]methyl]indol-1-yl]acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C34H30N4O5S
assistant