You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 3-(2-chlorophenyl)-5-(2-phenylmethoxyethoxy)-2-(7H-purin-6-ylsulfanylmethyl)quinazolin-4-one by IUPAC nomenclature, provide its molecular formula.
user
C29H23ClN6O3S
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