Using O=[N+]([O-])c1ccc(C=C/C=C/c2ccc(Cl)c(Cl)c2)cc1 to produce Nc1ccc(CCCCc2ccc(Cl)c(Cl)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.