You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[3-chloro-2-[(2-methoxynaphthalen-1-yl)sulfanylmethyl]phenyl]-1,4,5,6-tetrahydropyrimidine into molecular formula.
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C22H21ClN2OS
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