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 magnesium;methyl (1Z,3R,9Z,13Z,19Z,21S,22S)-16-ethenyl-11-ethyl-22-[3-[(Z,7R)-2-hydroxy-3,7,11-trimethyldodec-2-enoxy]-3-oxopropyl]-12,17,21,26-tetramethyl-4-oxo-7,23,24,25-tetrazanidahexacyclo[18.2.1.15,8.110,13.115,18.02,6]hexacosa-1,5,8(26),9,11,13,15,17,19-nonaene-3-carboxylate is given. What is its corresponding molecular formula?
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C50H62MgN4O6-2
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