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What is the molecular formula of the molecule identified by 5-benzyl-N-tert-butyl-N-[7-chloro-3-(2,4-dimethylphenoxy)-3-ethyl-2-oxo-1-azaspiro[3.5]nonan-6-yl]-6-ethoxy-2,4,7-trioxo-3-azoniaspiro[2.4]heptane-1-carboxamide ?
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C38H47ClN3O7+
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