3209
At the cellular level , benzodiazepines are allosteric modulators of GABA ( A ) receptors ; they increase the efficacy of inhibition in neuronal networks by prolonging the duration of inhibitory postsynaptic potentials .
 Chemical: benzodiazepines
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: benzodiazepines