Using BrCCOc1ccccc1, O=c1[nH]ccc2cc(OC3CCNCC3)ccc12 to produce O=c1[nH]ccc2cc(OC3CCN(CCOc4ccccc4)CC3)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.