Using CSc1nn(-c2c(Cl)cc(Cl)cc2Cl)c(N)c1C(N)=O, COc1cccc(CC(=O)Cl)c1 to produce COc1cccc(Cc2nc3n(-c4c(Cl)cc(Cl)cc4Cl)[nH]c(SC)c-3c(=O)n2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.