9730
We describe here the design and development of a new heterobivalent peptide ligand , truncated bombesin ( t - BBN ) / BVD15 - DO3A , for dual - targeting of GRPR and Y1 , and validation of its dual binding capability .
 Chemical: bombesin
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: bombesin