21252
The vibrational dephasing dynamics of the nitrosyl stretching vibration ( nu NO ) in sodium nitroprusside ( SNP , Na2 [ Fe ( CN ) 5NO ] . 2H2O ) are investigated using two - dimensional infrared ( 2D IR ) spectroscopy .
 Chemical: nitrosyl; Chemical: NO; Chemical: sodium nitroprusside; Chemical: SNP; Chemical: Na2 [ Fe ( CN ) 5NO ] . 2H2O
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: nitrosyl, NO, sodium nitroprusside, SNP, Na2 [ Fe ( CN ) 5NO ] . 2H2O 
Answer:
 Chemical: nitrosyl; Chemical: NO; Chemical: sodium nitroprusside; Chemical: SNP; Chemical: Na2 [ Fe ( CN ) 5NO ] . 2H2O