Using Brc1ccccc1, CCOC(=O)CCCc1cncn1Cc1ccccc1 to produce OC(CCCc1cncn1Cc1ccccc1)(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.