Using CCOC(=O)c1nc(CNC(=O)OC(C)(C)C)ccc1Cl, CC(C)(C)C(=O)Cl to produce CCOC(=O)c1nc(CNC(=O)C(C)(C)C)ccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.