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 25,26-dimethoxy-9,23-dimethyl-27-oxido-13,16,19-trioxa-27-azoniatetracyclo[19.3.1.12,6.17,11]heptacosa-1(24),2(27),3,5,7,9,11(26),21(25),22-nonaene is given. What is its corresponding molecular formula?
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C27H31NO6
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