Using CCOC(=O)CBr, CCN1CCN(c2nc(-c3ccc(O)cc3)cc3ccccc23)CC1 to produce CCOC(=O)COc1ccc(-c2cc3ccccc3c(N3CCN(CC)CC3)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.