Based on prior knowledge, we can analyze the relationship between the feature SVT_POST and the task of determining whether the myocardial infarction complications data of this patient show chronic heart failure.

SVT_POST represents whether the patient had paroxysms of supraventricular tachycardia at the time of admission to the intensive care unit. To determine if this feature is related to chronic heart failure, we can examine the prevalence of chronic heart failure among patients with and without paroxysms of supraventricular tachycardia.

After conducting the analysis, we can create a dictionary with the following information:

```json
{
	"no": ["no"],  
	"yes": ["yes"]  
}
```

Explanation:
- If the SVT_POST feature is "no", it indicates that there were no paroxysms of supraventricular tachycardia at the time of admission to the intensive care unit. In this case, the dictionary indicates that the possible values of the SVT_POST feature for the target class "no" is ["no"].
- If the SVT_POST feature is "yes", it indicates that there were paroxysms of supraventricular tachycardia at the time of admission to the intensive care unit. In this case, the dictionary indicates that the possible values of the SVT_POST feature for the target class "yes" is ["yes"].

Since the feature is a categorical variable with only two possible values ("no" and "yes"), there is no need to include other values in the dictionary as the list of each target class is not empty.