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What is the molecular formula of the compound with this IUPAC name 3-[5-[5-(5-tert-butyl-3-ethylthiophen-2-yl)-4-ethylthiophen-2-yl]-3-methylthiophen-2-yl]-7-(5-tert-butyl-3-methylthiophen-2-yl)-1,5-dimethyl-2,6-dihydro-1,5-naphthyridine-2,6-diol ?
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C40H50N2O2S4
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