Using CCOC(=O)Cl, CC(C)(C)OC(=O)Nc1ccc(-c2cccs2)cc1N to produce CCOC(=O)Nc1cc(-c2cccs2)ccc1NC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.