Using CCCc1c(C(C)=O)c2ccc(C(=O)OC)cc2n1Cc1ccccc1Cl to produce CCCc1c(C(C)=O)c2ccc(C(=O)O)cc2n1Cc1ccccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.