Using CCOc1ccccc1-c1cc(NC(=O)C2CCNCC2)ncn1, CC(C)Br to produce CCOc1ccccc1-c1cc(NC(=O)C2CCN(C(C)C)CC2)ncn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.