Using CC(C)(O)C(Cl)=C(Cl)CC(O)(Cn1cncn1)C1(Cl)CC1 to produce C=C(C)C(Cl)=C(Cl)CC(O)(Cn1cncn1)C1(Cl)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.