You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (3R,6S,9R,12S,18S,21S,24S,27S,30S,33R)-18-(1-hydroxyethyl)-21-[(2R)-1-hydroxy-2-methyl-4-[(3R)-3-methylmorpholin-4-yl]butyl]-3,7,13,16,22,25,31-heptamethyl-6,9,12,27,30-pentakis(2-methylpropyl)-24,33-di(propan-2-yl)-1-oxa-4,7,10,13,16,19,22,25,28,31-decazacyclotritriacontane-2,5,8,11,14,17,20,23,26,29,32-undecone is given. What is its corresponding molecular formula?
user
C67H121N11O15
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