Using CC(C)(C)c1nc2cc(N3CCSCC3)c(N)cc2s1, S=C(Cl)Cl to produce CC(C)(C)c1nc2cc(N3CCSCC3)c(N=C=S)cc2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.