TeXで描く構造式

$\spc\\\decaheterovb[fhK]{1==N;3==CH$\bf_3$;4==O;2s==\sixheterov[]{3==N;6==;2s==\sixheterov[]{5==;3s==\tetramethylenei{3==\upnobond{N}{H};4s==\sixheterov[e]{1==N;3==N}{1==CH$\bf_3$;2D==O;3==CH$\bf_3$;4D==O;6==(yl)}[]}{1==(yl)}}{6==(yl)}[abef]}{5==(yl)}[e]}{}[b]$

\decaheterovb[fhK]{1==N;3==CH$\bf_3$;4==O;
2s==\sixheterov[]{3==N;6==;
2s==\sixheterov[]{5==;
3s==\tetramethylenei{3==\upnobond{N}{H};
4s==\sixheterov[e]{1==N;3==N}{1==CH$\bf_3$;2D==O;3==CH$\bf_3$;4D==O;6==(yl)}[]
}{1==(yl)}
}{6==(yl)}[abef]
}{5==(yl)}[e]
}{}[b]