Using CCCCCc1ccc(/C=C/C(=O)Nc2cc(Cl)ccc2C(=O)OC)cc1 to produce CCCCCc1ccc(/C=C/C(=O)Nc2cc(Cl)ccc2C(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.