You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-methoxyethyl (2E,5R)-2-[(1,2-dimethylindol-3-yl)methylidene]-5-(2-ethoxy-3-methoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate .
user
C31H33N3O6S
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