30234
Antifouling zwitterionic SS - PMPC surface was prepared by thiol - ene photopolymerization of 2 - methacryloyloxyethyl phosphorylcholine ( MPC ) from the SS - thiol surface .
 Chemical: thiol; Chemical: 2 - methacryloyloxyethyl phosphorylcholine; Chemical: MPC; Chemical: thiol
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: thiol, 2 - methacryloyloxyethyl phosphorylcholine, MPC, thiol 
Answer:
 Chemical: thiol; Chemical: 2 - methacryloyloxyethyl phosphorylcholine; Chemical: MPC; Chemical: thiol