Using COC(=O)c1cc(NS(=O)(=O)c2cccs2)c(C)s1, CI to produce COC(=O)c1cc(N(C)S(=O)(=O)c2cccs2)c(C)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.