Using CC(=O)OC[C@H]1O[C@@H](n2c(=O)sc3cnc(N)nc32)[C@H](OC(C)=O)[C@@H]1OC(C)=O to produce CC(=O)O[C@@H]1[C@H](OC(C)=O)[C@@H](CO)O[C@H]1n1c(=O)sc2cnc(N)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.