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system
What is the SMILES representation of the molecule with IUPAC name (1-methyl-2-oxopyrrolidin-3-yl)methyl 4-[3-[6-amino-9-[(2R,3S,5S)-5-(cyclopropylcarbamoyl)-3,4-dihydroxyoxolan-2-yl]purin-2-yl]propyl]piperidine-1-carboxylate ?
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