Using C=C1c2cc(OCCN(C)C)ccc2C(c2ccc(Cl)cc2)CC1(C)C to produce CC1c2cc(OCCN(C)C)ccc2C(c2ccc(Cl)cc2)CC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.