You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (2S,8'R)-7-chloro-4,6-dimethoxy-1',3',8'-trimethyl-5'-(3,4,5-trimethoxyphenyl)spiro[1-benzofuran-2,7'-5,8,9,10-tetrahydropyrimido[4,5-b]quinoline]-2',3,4',6'-tetrone .
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C32H32ClN3O10
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