Using COC(C1=CN(C)CS1)c1ccccc1CCl, Oc1cc(Cl)ccc1Cl to produce COC(C1=CN(C)CS1)c1ccccc1COc1cc(Cl)ccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.