You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-(4-cyclobutylpiperazin-1-yl)-2-[6-(1,3-oxazolidin-2-yl)-3,4-dihydro-1H-isoquinolin-2-yl]ethanone into its molecular formula.
user
C22H32N4O2
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