You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 6,20-dimethoxy-3,23-dioxa-11,15,26,33-tetrazapentacyclo[23.8.0.04,9.017,22.027,32]tritriaconta-1(33),4(9),5,7,10,15,17(22),18,20,25,27,29,31-tridecaene by IUPAC nomenclature, provide its molecular formula.
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C29H28N4O4
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