28771
The Gd - PSQ particles are readily degradable to release the constituent Gd ( III ) chelates in the presence of endogenous reducing agents such as cysteine and glutathione .
 Chemical: Gd - PSQ; Chemical: Gd ( III ); Chemical: cysteine; Chemical: glutathione
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Gd - PSQ; Chemical: Gd ( III ); Chemical: cysteine; Chemical: glutathione