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-[2-[2-[2-[2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethyl 3-[(21S,22S)-11-ethyl-16-(1-hydroxyethylidene)-12,17,21,26-tetramethyl-7,23,24,25-tetrazahexacyclo[18.2.1.15,8.110,13.115,18.02,6]hexacosa-1,5(26),6,8,10(25),11,13,15(24),17,19-decaen-22-yl]propanoate is given. What is its corresponding molecular formula?
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C49H68N4O11
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