\decaheterov[{
d\xFiveCycle(0,0){150}[]{3==O;
4s==\rotatebox{5}{\sixheterov[ace]{}{3==(yl)}[c]}
}[a]
}]{2==O;3s==\exodoublebond{0};
4s==\decaheterov[bdj]{
3s==\decaheterov[]{3==N;5==O;
2s==\sixheterov[]{1==CH$\bf_3$;3==CH$\bf_3$;5==}{6==(yl)}[ab]
}{6==(yl)}[abghijk]
}{2==$\bf I$;4==$\bf I$;7==(yl)}[efgh]
}{7==H$\bf_3$C}[abefgj]
\put(1500,200){
\scalebox{0.6}{$\bullet$}
\raisebox{-0.7mm}{\sffamily\bfseries HCl}
}