15803
The Gd ( III ) complex of DO3A - N - alpha - aminopropionate , Gd ( DOTAla ) , was used to generate a small library of putative MRI probes targeted to human serum albumin ( HSA ) .
 Chemical: Gd ( III ); Chemical: DO3A - N - alpha - aminopropionate; Chemical: Gd ( DOTAla )
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: Gd ( III ), DO3A - N - alpha - aminopropionate, Gd ( DOTAla ) 
Answer:
 Chemical: Gd ( III ); Chemical: DO3A - N - alpha - aminopropionate; Chemical: Gd ( DOTAla )