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Furthermore , silibinin attenuated the phenylephrine - induced hypertrophic response as evidenced by the measurement of cell surface , up - regulation of atrial natriuretic peptide and increase of cellular protein levels .
 Chemical: silibinin; Chemical: phenylephrine
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: silibinin; Chemical: phenylephrine