Using CCOC(=O)CNS(=O)(=O)Nc1c(Cl)cc(Cl)cc1Cl, OCC1(CO)CC1 to produce CCOC(=O)CN1CC2(CC2)CN(c2c(Cl)cc(Cl)cc2Cl)S1(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.