You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule ethyl 2-[(2Z,5Z)-2-benzylidene-5-[[3-[[4-[2-(6,7-dimethoxy-3,4-dihydro-1H-isoquinolin-2-yl)ethyl]phenyl]carbamoyl]phenyl]methylidene]-3,6-dioxopiperazin-1-yl]acetate into molecular formula.
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C42H42N4O7
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