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What is the molecular formula of the molecule identified by N-(1,3-benzothiazol-2-yl)-6'-(4-hydroxyphenyl)-5-[2-(4-methoxyphenyl)ethynyl]-1',2-dioxo-3',4'-diphenylspiro[1H-indole-3,7'-4,6,8,8a-tetrahydro-3H-pyrrolo[2,1-c][1,4]oxazine]-8'-carboxamide ?
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C49H36N4O6S
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