18322
Information is written by using a biased - AFM tip , a highly nonlinear polymer ( poly ( methyl metha - acrylate ) - co - Disperse Red 1 ) , and a novel " floating - tip nanolithography " ( FTN ) technique .
 Chemical: poly ( methyl metha - acrylate ); Chemical: Disperse Red 1
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: poly ( methyl metha - acrylate ), Disperse Red 1 
Answer:
 Chemical: poly ( methyl metha - acrylate ); Chemical: Disperse Red 1