9949
The frontier molecular orbitals ( FMOs ) analysis have shown that the vertical electronic transitions of absorption and emission are characterized as intramolecular charge transfer ( ICT ) for electron - donating and aromatic groups substituted derivatives .
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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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