Using CCOC(=O)CBr, C[C@@H]1CCCN1CCCOc1ccc(C(=O)Cc2ccccn2)cc1 to produce CCOC(=O)CC(C(=O)c1ccc(OCCCN2CCC[C@H]2C)cc1)c1ccccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.