Using COc1ccc2sc3c(S(C)(=O)=O)ccc(=O)c-3nc2c1 to produce COc1ccc2c(c1)Nc1cccc(S(C)(=O)=O)c1S2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.