Using CI, O=C1c2[nH]c(=S)[nH]c2N(Cc2ccc(Cl)cc2)C2=NCCN12 to produce CSc1nc2c([nH]1)N(Cc1ccc(Cl)cc1)C1NCCN1C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.