Using CCOC(=O)c1nc(-c2ccccc2)sc1NC(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)Nc1sc(-c2ccccc2)nc1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.