You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1,4-dioxa-8-azaspiro[4.5]decan-8-yl-[1-[3-(3-methoxyphenoxy)pyrazin-2-yl]piperidin-4-yl]methanone by IUPAC nomenclature, provide its molecular formula.
user
C24H30N4O5
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