Using COc1cc(Cl)ccc1C=CS(=O)(=O)Nc1ccc(C)cc1S(N)(=O)=O to produce COc1cc(Cl)ccc1CCS(=O)(=O)Nc1ccc(C)cc1S(N)(=O)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.