Using COC(=O)c1cc2c(cc1C)OCCn1cc(-c3ncnn3C(C)C)nc1-2 to produce Cc1cc2c(cc1CO)-c1nc(-c3ncnn3C(C)C)cn1CCO2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.