10287
A new copolymer , beta - poly ( N - 2 - hydroxyethyl ) - graft - { N - 2 - ethylene [ 2 - poly ( methacrylic acid sodium salt ) isobutyrate ] } - d , l - aspartamide ( PHEA - IB - p ( MANa ( + ) ) ) , was designed for the oral administration of sCT through the formation of supramolecular aggregates ( SAs ) based on electrostatic interactions .
 Chemical: beta - poly ( N - 2 - hydroxyethyl ) - graft - { N - 2 - ethylene [ 2 - poly ( methacrylic acid sodium salt ) isobutyrate ] } - d , l - aspartamide; Chemical: PHEA - IB - p ( MANa ( + ) )
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: beta - poly ( N - 2 - hydroxyethyl ) - graft - { N - 2 - ethylene [ 2 - poly ( methacrylic acid sodium salt ) isobutyrate ] } - d , l - aspartamide, PHEA - IB - p ( MANa ( + ) ) 
Answer:
 Chemical: beta - poly ( N - 2 - hydroxyethyl ) - graft - { N - 2 - ethylene [ 2 - poly ( methacrylic acid sodium salt ) isobutyrate ] } - d , l - aspartamide; Chemical: PHEA - IB - p ( MANa ( + ) )