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 1-(2-ethylphenyl)-3-[(1-propyl-3,4-dihydro-2H-quinolin-6-yl)methylideneamino]thiourea is given. What is its corresponding molecular formula?
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C22H28N4S
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