You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 8-(2-chloro-6-methoxypyridine-4-carbonyl)-N-(1-naphthalen-1-ylethyl)-2,8-diazaspiro[4.5]decane-2-carboxamide into molecular formula.
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C28H31ClN4O3
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