23087
The hydrolytic degradation starts with hydrolysis of the cross - linker , N , O - dimethacryloyl hydroxylamine , which was synthesized in house .
 Chemical: N , O - dimethacryloyl hydroxylamine
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: N , O - dimethacryloyl hydroxylamine