\sixheterov[df,{
B\xFiveCycle(0,0){-18}[ad]{2==N;3==S;4==N}[e]
}]{
4s==\sixheterov[{
C\xFiveCycle(0,0){-90}[e]{2==\put(0,-20){\text{ }};2==\lmoiety{HN};5==N}[]
}]{5==HN}{6==(yl)}[abcf]
}{5==Cl}[]
\put(150,100){\raisebox{0.5mm}{\scalebox{0.6}{$\bullet\ $}}\sffamily\bfseries HCl}