Using COc1cc(S(C)(=O)=O)c2c(Sc3ccc(Cl)cc3)c3n(c2c1S(C)(=O)=O)CCC3C(C)C(=O)[O-] to produce COc1cc(S(C)(=O)=O)c2c(Sc3ccc(Cl)cc3)c3n(c2c1S(C)(=O)=O)CCC3CC(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.