Using CNCC1(c2ccc(OCCCN3CCCC3)cc2)CCOCC1, BrCCc1ccccc1 to produce CN(CCc1ccccc1)CC1(c2ccc(OCCCN3CCCC3)cc2)CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.