Using CNC(=O)c1cc(NC(=O)c2nnn(Cc3ccc(Cl)c(Cl)c3)c2C)cc(C(=O)OC)c1 to produce CNC(=O)c1cc(CO)cc(NC(=O)c2nnn(Cc3ccc(Cl)c(Cl)c3)c2C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.