You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 9-[(2R)-2-aminopropyl]-N'-diazenyl-2,3,4,4a,5,6,7,8,8a,9a,10,10a-dodecahydro-1H-anthracene-9-carboximidamide by IUPAC nomenclature, provide its molecular formula.
user
C18H33N5
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