13463
Coordination of Zn ( 2 + ) or Cd ( 2 + ) with L creates strong fluorescence at 437 or 386 nm , respectively , due to the suppression of PET .
 Chemical: Zn ( 2 + ); Chemical: Cd ( 2 + )
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: Zn ( 2 + ), Cd ( 2 + ) 
Answer:
 Chemical: Zn ( 2 + ); Chemical: Cd ( 2 + )