You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[4-[6-[[(2R)-6-(cycloheptylmethyl)spiro[2.5]octan-2-yl]methylamino]pyridazin-3-yl]phenyl]acetamide into its molecular formula.
user
C29H40N4O
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