Using CC(=O)NC(=S)Nc1c(Cl)cccc1Cl, ClCc1ccccc1 to produce CC(=O)N=C(Nc1c(Cl)cccc1Cl)SCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.