Using CCCOc1ccc(C=CC(=O)Nc2ccc(CC(=O)O)cc2)cc1OC to produce CCCOc1ccc(C=CC(=O)Nc2ccc(CC(=O)[O-])cc2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.