You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 5-[6-(4-chlorophenoxy)-4-(methoxymethyl)-9H-pyrido[3,4-b]indol-3-yl]-3-ethyl-1,2,4-oxadiazole ?
user
C23H19ClN4O3
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