Using ClCc1ccc(Cl)cc1, CC(C)(C)Cn1c(CN2C(=O)CNC2=O)cc2cnc(C#N)nc21 to produce CC(C)(C)Cn1c(CN2C(=O)CN(Cc3ccc(Cl)cc3)C2=O)cc2cnc(C#N)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.