Using CCO, CCOC(=O)c1nc(NC(=O)OC(C)(C)C)sc1-c1ccccc1 to produce CCOC(=O)c1nc(N(CC)C(=O)OC(C)(C)C)sc1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.