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Under IUPAC nomenclature, a molecule named [(19S)-19-ethyl-14,18-dioxo-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4,6,8,10,15(20)-heptaen-19-yl] 2-[2-[2-[2-[4-[[6-[(1R,2R,6S,7S)-3,5-dioxo-4-azatricyclo[5.2.1.02,6]dec-8-en-4-yl]hexyl-(7-hydroxy-4-oxoheptanoyl)amino]methyl]triazol-1-yl]ethoxy]ethoxy]ethoxy]acetate is given. What is its corresponding molecular formula?
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C53H63N7O13
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