Using OC1(c2ccccc2)CCNCC1, O=C(NCCCBr)OCc1ccccc1 to produce O=C(NCCCN1CCC(O)(c2ccccc2)CC1)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.