Using CC(C)(C)c1ccc(C=O)cc1, CN(CCN)c1ccc(Cl)cc1 to produce CN(CCNCc1ccc(C(C)(C)C)cc1)c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.