You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (6R)-6-(2,4-dichlorophenyl)-3-prop-2-enylsulfanyl-2,6-dihydro-[1,2,4]triazino[1,6-c]quinazolin-1-one is given. What is its corresponding molecular formula?
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C19H14Cl2N4OS
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