Using COC(=O)c1ccc(Cl)c2nc3n(c12)CCCCN3c1ccc(OC)cc1Cl to produce COc1ccc(N2CCCCn3c2nc2c(Cl)ccc(CO)c23)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.