Using CN1CN2C(=N1)C(c1ccccc1Cl)=NCC1=C2S(=O)CC1, CI to produce CC1CC2=C(N3CN(C)N=C3C(c3ccccc3Cl)=NC2)S1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.