Using CON(C)C(=O)c1csc(NC(=O)NCc2ccc(Cl)c(Cl)c2)n1 to produce O=Cc1csc(NC(=O)NCc2ccc(Cl)c(Cl)c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.