\sixheterov[bdf]{2s==\octamethylene[]{5==\downnobond{N}{H};7s==\addbond(-7,30)(19,11){130};8==O}{1==(yl);4SA==H;6Sd==H;
6Su==\sixheteroh[]{
3s==\sixheteroh[]{4==NH$\bf_2$}{1==(yl)}[abcf]
}{6==(yl)}[abcf];
7==;
4SB==HO$\bf_2$C}
}{}[]
\put(670,40){
\xFiveCycle(0,0){0}[]{4==\hspace{0.2mm}{\sffamily\bfseries N};3s==\PutDashedBond(0,0)(60,80){1pt};3s==\put(60,80){\sffamily\bfseries CO$\bf_2$H};3s==\WedgeAsSubstX(0,0)(100,0)[10];3s==\put(110,-35){\sffamily\bfseries H}}[]
}
\put(1300,430){
\scalebox{0.6}{$\bullet$}
}
\put(1400,410){\sffamily\bfseries
2H$\bf_2$O
}