Using CCc1cc2c(=O)c(-c3ccc(OC)cc3)c(C(=O)OC)oc2cc1O to produce CCc1cc2c(=O)c(-c3ccc(OC)cc3)c(C(=O)O)oc2cc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.