1. This molecule features two rings: a benzene ring and a thiophene ring.
2. The benzene ring is numbered so that it bears substituents at C-1 and C-4 (para).
   - At C-1, a nitrile group (a carbon is triple-bonded to a nitrogen) is attached.
   - At C-4, a chain is present: -CH2-N=C(O)-N-CH2-, which leads to the thiophene ring.
3. The thiophene ring is a five-membered heterocycle with sulfur at position 1. It is attached via its carbon at position 2 to the aforementioned chain.
4. At the carbon at position 5 of the thiophene, a sulfonamide substituent is present; in this group, the sulfur is double-bonded to two oxygens (-S(=O)2-) and is single-bonded to a nitrogen, which in turn connects to a methyl group.