Task: Text Categorization
Input (English): It has been used to synthesize such complex molecules as morphine, reserpine, and cortisone as well as other cyclic organic compounds. Take a substance containing two alternate double bonds and link it to a compound containing a pair of doubly or triply bonded carbon atoms. The two compounds will react to form a six-membered ring. In essence, it is the reaction of quinones with dienes and is also known as diene synthesis. FTP, give this reaction, named for the German scientists Otto and Kurt.
Output (English): Science