instruction:
Translate the given Spanish text to English
question:
A drive assembly for a drug delivery device (1) is disclosed.
answer:
Se describe un conjunto de impulso para un dispositivo (1) de administración de fármacos.


question:
Methods of preparing the copper compositions are also disclosed.
answer:
Tambien se describen metodos para preparar las composiciones de cobre.


question:
Z is N or CHNR2.
answer:

Z es N o CHNR2.