You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [5-amino-6'-(2,2-dimethylpropanoyloxy)-3-oxospiro[2-benzofuran-1,9'-xanthene]-3'-yl] 2,2-dimethylpropanoate;5-amino-2-(3-hydroxy-6-oxoxanthen-9-yl)benzoic acid;[5-[2-bromoethyl(methyl)amino]-6'-(2,2-dimethylpropanoyloxy)-3-oxospiro[2-benzofuran-1,9'-xanthene]-3'-yl] 2,2-dimethylpropanoate;3,3-dimethylbutan-2-one;[6'-(2,2-dimethylpropanoyloxy)-5-(methylamino)-3-oxospiro[2-benzofuran-1,9'-xanthene]-3'-yl] 2,2-dimethylpropanoate;methane;1-methylsulfonyl-4-nitrobenzene into molecular formula.
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C129H134BrN5O31S
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