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For the molecule named ethyl 7-chloro-15'-[(2-methylpropan-2-yl)oxycarbonylamino]-2',16'-dioxo-5-(trifluoromethyl)spiro[1,2-dihydropyrano[2,3-c]quinoline-3,19'-3,17-diazatricyclo[15.3.0.04,7]icos-8-en-5-yne]-4'-carboxylate by IUPAC nomenclature, provide its molecular formula.
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C38H42ClF3N4O7
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