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 1-[4-(2-ethoxyphenyl)piperazin-1-yl]-3-[3-(1,3,4-oxadiazol-2-yl)phenoxy]propan-2-ol ?
user
C23H28N4O4
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