27206
IRMPD spectra of the [ M , C , 2H ] + species are measured in the 300 - 3500 cm - 1 spectral range by monitoring the loss of H ( 2H in the case of [ Ir , C , 2H ] + ) .
 Chemical: C; Chemical: 2H; Chemical: H; Chemical: 2H; Chemical: Ir; Chemical: C; Chemical: 2H
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: C, 2H, H, 2H, Ir, C, 2H 
Answer:
 Chemical: C; Chemical: 2H; Chemical: H; Chemical: 2H; Chemical: Ir; Chemical: C; Chemical: 2H