Using CCc1cc(Cc2ccc(CC(=O)OC)cc2)nc(-c2cccc(Cl)c2)n1 to produce CCc1cc(Cc2ccc(CC(=O)O)cc2)nc(-c2cccc(Cl)c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.