13923
This ( 3 ) MLCT ( SQ ) state is very short - lived ( < 1 ns ) as expected from the energy gap law for nonradiative decay , ( 1 ) and too short - lived to be the photoactive species .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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