Using ClCCl, CC(C)(C)OC(=O)NCc1ccc(-n2cc(-c3n[nH]c4ccccc34)nn2)cc1 to produce NCc1ccc(-n2cc(-c3n[nH]c4ccccc34)nn2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.