9742
Optical images and Raman spectra separately showed the composition of the as - electrodeposited film in dilute ( <= 0 . 001 M ) solutions of dissolved As ( 2 ) O ( 3 ) ( aq ) was pure c - GaAs ( s ) at much lower temperatures than 200 degrees C .
 Chemical: as; Chemical: As ( 2 ) O ( 3 ); 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: as, As ( 2 ) O ( 3 ), GaAs 
Answer:
 Chemical: as; Chemical: As ( 2 ) O ( 3 ); Chemical: GaAs