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While EGCG has been reported to ameliorate the toxicity of some agents , the induction of mortality by combined treatment with pharmacological doses of selenium and EGCG is a previously unrecognized synergism that must be considered not only in the remediation of high environmental selenium exposures but also in the development of pharmaceuticals and nutriceuticals .
 Chemical: EGCG; Chemical: selenium; Chemical: EGCG; Chemical: selenium
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: EGCG; Chemical: selenium; Chemical: EGCG; Chemical: selenium