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What is the molecular formula of the compound with this IUPAC name (3S,4R,6S,7S,8R,8aR)-5'-[3-(benzotriazol-1-yl)prop-1-ynyl]-6-(4-hydroxyphenyl)-8-N-(4-morpholin-4-ylphenyl)-1,2'-dioxo-3,4-diphenyl-1-N'-[(1R)-1-phenylethyl]spiro[4,6,8,8a-tetrahydro-3H-pyrrolo[2,1-c][1,4]oxazine-7,3'-indole]-1',8-dicarboxamide ?
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C61H52N8O7
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