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Stearoyl - PEG - polySDM was synthesised using a multi - step procedure that includes pH - sensitive sulfadimethoxine methacrylate polymerisation by AGET - ATRP at the amino terminal side of stearoyl - PEG - NH2 .
 Chemical: Stearoyl - PEG - polySDM; Chemical: sulfadimethoxine methacrylate; Chemical: amino; Chemical: stearoyl - PEG - NH2
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: Stearoyl - PEG - polySDM; Chemical: sulfadimethoxine methacrylate; Chemical: amino; Chemical: stearoyl - PEG - NH2