You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (1R,5S,6R,7R,10R,11R,14R,15R,20R,21R)-21-[(2R)-2-amino-2,3-dimethylbutoxy]-5,7,10,15-tetramethyl-7-[(2R)-3-methylbutan-2-yl]-20-[5-(1-methylpyridin-1-ium-4-yl)-1,2,4-triazol-1-yl]-17-oxapentacyclo[13.3.3.01,14.02,11.05,10]henicos-2-ene-6-carboxylic acid is given. What is its corresponding molecular formula?
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C44H68N5O4+
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