Based on prior knowledge, it is not clear how the use of lidocaine in the ICU (LID_S_n) relates to the presence of chronic heart failure (target variable). Hence, we cannot make any specific predictions about the relationship between these two variables.

However, to create the dictionary, we can assume that there are two possible values for the target variable ('yes' and 'no'). Since we don't have any prior knowledge about how the feature relates to the target, we can include all possible values of LID_S_n for each target class in the dictionary.

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

Note that we have included all possible values of LID_S_n in both target classes. Although this may not provide useful information in this case, it ensures that the list of each target class is not empty.