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 2-amino-N-[(1,5,14-trihydroxy-6,15-dimethoxy-7,16,21-trimethyl-2,21-diazapentacyclo[10.7.2.02,11.04,9.013,18]henicosa-4(9),5,7,13(18),14,16-hexaen-3-yl)methyl]propanamide is given. What is its corresponding molecular formula?
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C28H38N4O6
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