Using CCOC(=O)CN1C(=O)c2ccc(O)cc2C1=O, OC1CCCCC1 to produce CCOC(=O)CN1C(=O)c2ccc(OC3CCCCC3)cc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.