Using CC(C)(C)OC(=O)NCCNc1c(C(=O)O)nn(-c2ccccc2Cl)c1-c1ccc(Cl)cc1 to produce NCCNc1c(C(=O)O)nn(-c2ccccc2Cl)c1-c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.