Using CC(=O)CC(=O)OC(C)(C)C, COC(=O)Cc1ccc(C(Cl)=NO)c(Cl)c1 to produce COC(=O)Cc1ccc(-c2noc(C)c2C(=O)OC(C)(C)C)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.