Using CC(=O)OC(C)=O, O=C(CCCCCCC(=O)Nc1ccccc1)NO to produce CC(=O)ONC(=O)CCCCCCC(=O)Nc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.