Using c1cncc(-c2cc3ccccc3[nH]2)c1, CCOC(=O)c1ccc(OCCBr)cc1 to produce CCOC(=O)c1ccc(OCCc2c(-c3cccnc3)[nH]c3ccccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.