Using CCOC(=O)c1cc2cccc(NC(=O)c3cccs3)c2[nH]1 to produce O=C(O)c1cc2cccc(NC(=O)c3cccs3)c2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.