Using CCOC(=O)CC(=O)CON=C(c1ccc(OC)cc1)c1ccc(OC)cc1, CON to produce CCOC(=O)CC(CON=C(c1ccc(OC)cc1)c1ccc(OC)cc1)=NOC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.