You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named ethane;N-[5-[[4-(2-hydroxyethyl)piperazin-1-yl]methylideneamino]-2-(6-methoxypyridin-3-yl)pyridin-4-yl]-N-(2-propoxyethyl)acetamide by IUPAC nomenclature, provide its molecular formula.
user
C27H42N6O4
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