Using CCc1cc(N(C=O)c2ccccc2)cc(CC)c1N, S=C(Cl)Cl to produce CCc1cc(N(C=O)c2ccccc2)cc(CC)c1N=C=S, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.