Using Cc1c(Oc2ccc(Cl)cc2)c2c(NS(C)(=O)=O)cccc2n1CC(=O)OC(C)(C)C to produce Cc1c(Oc2ccc(Cl)cc2)c2c(NS(C)(=O)=O)cccc2n1CC(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.