Using CCOC1=CC(=O)C(C(=O)C(=O)OC(C)(C)C)C1, NNCc1ccccc1 to produce CC(C)(C)OC(=O)c1nn(Cc2ccccc2)c2c1CC(=O)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.