Using BrCCOc1ccccc1, O=C1CCc2c(cccc2OCCCN2CCNCC2)N1 to produce CCOc1ccccc1N1CCN(CCCOc2cccc3c2CCC(=O)N3)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.