You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule tert-butyl N-(3-iodosulfanyloxypropyl)-N-(4-pyrimido[1,2-a]benzimidazol-4-ylphenyl)carbamate into molecular formula.
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C24H25IN4O3S
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