Using CCOC(C)=O, O=C1Nc2cccc3c2C1(CCCCBr)CCC3 to produce O=C1Nc2cccc3c2C1(CCCCN1CCc2occc2C1)CCC3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.