Using O=C(/C=C/c1ccc(-c2ccc(Cl)cc2)cc1)Nc1ccc(CN2CCCCC2)cc1 to produce O=C(CCc1ccc(-c2ccc(Cl)cc2)cc1)Nc1ccc(CN2CCCCC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.