Using CCCN1C(=O)COc2ccc(N3C(=O)C(C)=C(C)C3=O)cc21 to produce CCCN1C(=O)COc2ccc(N3C(=O)C(C)=C(C)C3O)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.