You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-[2-(cyclohexen-1-yl)ethyl]-2-methyl-3-[[4-(2-methylpropyl)morpholin-2-yl]methyl]guanidine by IUPAC nomenclature, provide its molecular formula.
user
C19H36N4O
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