You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 3-[(4-chlorophenyl)methyl]-N-(3-morpholin-4-ylpropyl)-4-oxo-2-sulfanylidene-1H-quinazoline-7-carboxamide into molecular formula.
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C23H25ClN4O3S
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