You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 1-(3,4-dichlorocyclohexyl)-2-(2,8-dimethyl-3,5,6,7,8,8a-hexahydro-2H-imidazo[1,2-a]pyridin-1-yl)ethanone .
user
C17H28Cl2N2O
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