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Under IUPAC nomenclature, a molecule named 3-[[16-[5-(dihydroxymethyl)-1,3-benzoxazol-2-yl]-14-methyl-8,15-dioxo-14-azatetracyclo[7.7.1.02,7.013,17]heptadeca-1(16),2,4,6,9,11,13(17)-heptaen-10-yl]amino]benzoic acid is given. What is its corresponding molecular formula?
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C32H21N3O7
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