You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 3-[(3E,5E)-7-[[(Z)-3-amino-4-methoxybut-2-enylidene]amino]-6-methylhepta-1,3,5-trien-3-yl]-1-oxo-2H-isoquinoline-5-carbonitrile by IUPAC nomenclature, provide its molecular formula.
user
C23H24N4O2
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