You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (1R,2R,6S,7R)-8,9-dideuterio-4-[4-[4-(5-deuteriopyrimidin-2-yl)piperazin-1-yl]butyl]-4-azatricyclo[5.2.1.02,6]decane-3,5-dione into its molecular formula.
user
C21H29N5O2
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