9430
Photochromes may be reversibly photoisomerized between two metastable states and their properties can influence , and be influenced by , other chromophores in the same molecule through energy or electron transfer .
 None
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:  
Answer:
 None