Using CC(C)(C)OC(=O)N1Cc2cc(-c3ccc(Cl)nn3)ccc2C(c2ccc(Cl)c(Cl)c2)C1 to produce Clc1ccc(C2CNCc3cc(-c4cccnn4)ccc32)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.