13965
Sequential supplementation of 1 , 3 - propanediol ( PDO ) as a 3HP precursor allowed the strain to produce P3HP block .
 Chemical: 1 , 3 - propanediol; Chemical: PDO; Chemical: 3HP; Chemical: P3HP
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: 1 , 3 - propanediol; Chemical: PDO; Chemical: 3HP; Chemical: P3HP