TeXで描く構造式

$\spc\\\\\spc\sixheterov[ace,{C\xFiveCycle(0,0){-78}[b]{2==N;4==N}[e]}]{2s==\octamethylene{3==O;5==O;7==O;8s==\sixheterov[]{}{5==(yl)}[]}{1==(yl);2D==O;4Sd==H;4Su==CH$\bf_3$;6D==O}}{}[]\put(-150,0){\trimethylene{1==;3s==\sixheterov[bdf]{3s==\dimethylenei{2s==\sixheterov[ace]{5s==\dimethylene{1s==\put(-300,-100){\xFiveCycle(0,0){-54}[ad]{1==N;2==N;3==NH;5==N}[]}}{2==(yl)}}{6==(yl)}[]}{1==(yl)}}{6==(yl)}[]}{}}\put(-857,-950){\decaheteroh[]{4==O;5==CH$\bf_3$}{}[abfghijk]}\hspace{4.7cm}\spc$

\sixheterov[ace,{C\xFiveCycle(0,0){-78}[b]{2==N;4==N}[e]}]{
2s==\octamethylene{3==O;5==O;7==O;
8s==\sixheterov[]{}{5==(yl)}[]
}{1==(yl);2D==O;4Sd==H;4Su==CH$\bf_3$;6D==O}
}{}[]
\put(-150,0){
\trimethylene{1==;
3s==\sixheterov[bdf]{
3s==\dimethylenei{
2s==\sixheterov[ace]{
5s==\dimethylene{
1s==\xFiveCycle(80,280){-54}[ad]{1==N;2==N;3==NH;5==N}[]
}{2==(yl)}}
{6==(yl)}[]
}{1==(yl)}
}{6==(yl)}[]
}{}}
\put(-895,-950){
\decaheteroh[]{4==O;5==CH$\bf_3$}{}[abfghijk]
}