Write the names of the monomers of the following polymers:
`[--N overset(H)overset(|)N -(CH_2)_6 - overset(H)overset(|)N-overset(O)overset(||)C-(CH_2)_4 - overset(O)overset(||)C --]_n`

Explanation

To identify the monomers of the given polymer structure, we will analyze the polymer's repeating units and their connections. The polymer structure provided is:

\[ [--N \overset{(H)}{N} -(CH_2)_6 - \overset{(H)}{N} - \overset{(O)}{C} - (CH_2)_4 - \overset{(O)}{C} --]_n \]

### Step-by-Step Solution:

1. **Identify the Functional Groups**:
The polymer contains amide linkages (–C(=O)–N–) and ester linkages (–C(=O)–O–). The presence of nitrogen atoms suggests that it is likely derived from an amine and a carboxylic acid.
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