You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 5-[[(3R)-1-butyl-3-[(R)-cyclohexyl(hydroxy)methyl]-2,5-dioxo-1,4,9-triazaspiro[5.5]undecan-9-yl]-hydroxymethyl]-N-methylpyridine-2-carboxamide;hydrochloride is given. What is its corresponding molecular formula?
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C27H42ClN5O5
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