OESetAtomComment
void OESetAtomComment(OEAtomBase* atm, const char* c)
void OESetAtomComment(OEAtomBase* atm, const std::string& c)
Attaches a text comment to an individual atom. This function is used
to manipulate atom alias information in MDL file formats. This
property may be retrieved using the OEGetAtomComment
function.