9745
The presented data serve as impetus for the further development of the ec - LLS process as a controllable , simple , and direct route for technologically important optoelectronic materials such as c - GaAs ( s ) .
 Chemical: GaAs
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: GaAs 
Answer:
 Chemical: GaAs