15331
These compounds were synthesized in good yields by using Pd / C - Cu mediated coupling - cyclization strategy as a key step involving the reaction of 1 - ( prop - 2 - ynyl ) - 1 ' H - spiro [ indoline - 3 , 2 ' - quinazoline ] - 2 , 4 ' ( 3 ' H ) - dione with 2 - iodoanilides .
 Chemical: Pd; Chemical: C - Cu; Chemical: 1 - ( prop - 2 - ynyl ) - 1 ' H - spiro [ indoline - 3 , 2 ' - quinazoline ] - 2 , 4 ' ( 3 ' H ) - dione; Chemical: 2 - iodoanilides
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: Pd; Chemical: C - Cu; Chemical: 1 - ( prop - 2 - ynyl ) - 1 ' H - spiro [ indoline - 3 , 2 ' - quinazoline ] - 2 , 4 ' ( 3 ' H ) - dione; Chemical: 2 - iodoanilides