Using COc1cccc(-c2nc3ccc(N4CCCNCC4)cc3c(=O)n2CC(=O)NC(C)C)c1, CCBr to produce CCN1CCCN(c2ccc3nc(-c4cccc(OC)c4)n(CC(=O)NC(C)C)c(=O)c3c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.