You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 3-[7-chloro-3-(2-methoxy-5-methylphenyl)-4-oxoquinazolin-2-yl]sulfanylpropanenitrile using the IUPAC nomenclature.
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C19H16ClN3O2S
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