You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 5,6-diamino-3-(4-tert-butylphenyl)-8-[(2R,6S)-2,6-dimethylmorpholin-4-yl]-2-oxo-1H-pyrrolo[2,3-c][2,7]naphthyridin-7-ium-9-carbonitrile is given. What is its corresponding molecular formula?
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C27H32N7O2+
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