Using COc1ccnc(CCl)c1C, Sc1nc2cc(Cl)c(Cl)cc2[nH]1 to produce COc1ccnc(CSc2nc3cc(Cl)c(Cl)cc3[nH]2)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.