Using O=C([O-])[O-], C=CCc1c(O)c(Cl)cc2c(=O)c3ccccc3oc12 to produce O=C(O)C1Cc2c(c(Cl)cc3c(=O)c4ccccc4oc23)O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.