Using COc1cc(Cl)ccc1N=C1SCC(O)(c2ccc(Cl)c(S(=O)(=O)N(C)C)c2)N1C to produce COc1cc(Cl)ccc1N=c1scc(-c2ccc(Cl)c(S(=O)(=O)N(C)C)c2)n1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.