Using COC(=O)c1ccc(S(C)(=O)=O)c(-c2ccon2)c1C to produce Cc1c(C(=O)O)ccc(S(C)(=O)=O)c1-c1ccon1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.