You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 5-oxo-3-phenyl-N-(4-sulfamoylphenyl)-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxamide into molecular formula.
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C19H14N4O4S2
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