Using CCOC(=O)C(=O)CCc1ccccc1, CC(C)(C)OC(=O)NN to produce CCOC(=O)C(CCc1ccccc1)NNC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.