Explanation:

- Isovaleric acid is often described as having a distinct odor that can be associated with several characteristics.

- Vinegary: Typically refers to the smell of acetic acid, similar to vinegar. This is not directly linked to isovaleric acid.

- Cabbage-like: Usually associated with sulfur compounds like those found in cruciferous vegetables. This isn't a direct match for isovaleric acid.

- Cheesy: Isovaleric acid can be found in certain cheeses and contributes to their pungent smell, making this a potential descriptor.

- Sweaty: This is a common description for isovaleric acid, as it resembles the odor of sweaty socks or gym lockers.

Answer: Option:4 - Sweaty