Using CCOC(=O)[C@@H](O)[C@@H](NCc1cn(COCc2ccccc2)c2c(OC)ncnc12)C(=O)OCC to produce COc1ncnc2c(CN[C@H](CO)[C@H](O)CO)cn(COCc3ccccc3)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.