Using CCOC(=O)c1csc(-c2cc3cccc(NS(=O)(=O)c4cccs4)c3[nH]2)n1 to produce O=C(O)c1csc(-c2cc3cccc(NS(=O)(=O)c4cccs4)c3[nH]2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.