You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 4-[[2-ethoxy-4-[(Z)-[(5S)-5-(3-methoxyphenyl)-7-methyl-3-oxo-6-(phenylcarbamoyl)-5H-[1,3]thiazolo[3,2-a]pyrimidin-2-ylidene]methyl]phenoxy]methyl]benzoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C40H37N3O7S
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