You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[3-[(2R,6S)-2,6-dimethylmorpholin-4-yl]propyl]-4-(2-methoxyethylamino)-3-nitrobenzamide into molecular formula.
user
C19H30N4O5
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