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 N'-methyl-N-[2-(2,4,6-trimethoxyphenyl)ethyl]-3,4-dihydro-1H-isoquinoline-2-carboximidamide is given. What is its corresponding molecular formula?
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C22H29N3O3
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