The correct answer is ester.
An ester is a chemical compound formed when an acid reacts with an alcohol. Esters are often used to make perfumes and other fragrances. They are also found in many fruits and vegetables, and are responsible for their characteristic flavors.
Ethane is a hydrocarbon with the chemical formula $C_2H_6$. It is a colorless, odorless gas that is the second simplest alkane. Ethane is used as a fuel, a refrigerant, and a solvent.
Benzene is a hydrocarbon with the chemical formula $C_6H_6$. It is a colorless, flammable liquid that is a major component of gasoline. Benzene is also used to make plastics, rubber, and other chemicals.
Propane is a hydrocarbon with the chemical formula $C_3H_8$. It is a colorless, odorless gas that is used as a fuel, a refrigerant, and a propellant.
Esters are the only option that is used to make perfumes and is also used as a delicious spice.