Based on my prior knowledge, I can analyze the relationship between the feature "AST_BLOOD" and the target variable "chronic heart failure" in order to determine whether the myocardial infarction complications data of this patient shows chronic heart failure.

I will assume that "AST_BLOOD" represents the serum AsAT (Aspartate transaminase) content, and higher levels of AsAT may indicate heart muscle damage. Therefore, I would expect higher values of "AST_BLOOD" to be associated with chronic heart failure.

To analyze this relationship, I would compare the distribution of "AST_BLOOD" values for patients with and without chronic heart failure. By examining the typical values of "AST_BLOOD" for each target class, we can gain insight into the relationship between this feature and the presence of chronic heart failure.

Based on the analysis, below is the dictionary containing the typical values of "AST_BLOOD" for each target class:

```json
{
	"no": [40.0, 45.5, 47.2, 35.8, 41.3],
	"yes": [55.1, 50.9, 60.3, 58.0, 62.6]
}
```

The values provided are assumed to be typical and are for illustrative purposes only. The actual ranges or values may vary depending on the specific dataset and context. It is important to further analyze and validate the relationship with real data to make accurate conclusions.