Using CCOC(=O)C(NC(=O)OC(C)(C)C)c1csc(NC(=O)OCC(Cl)(Cl)Cl)n1 to produce CCOC(=O)C(NC(=O)OC(C)(C)C)c1csc(N)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.