Using C=C[Sn](CCCC)(CCCC)CCCC, Cc1nc(Cl)cc(-n2nc(C)nc2C)n1 to produce C=Cc1cc(-n2nc(C)nc2C)nc(C)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.