You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1,3-benzodioxol-5-yl-[(2S)-2-[3-(3,4-dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]pyrrolidin-1-yl]methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H21N3O6
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