20598
A dyad consisting of a tripod - shaped trithiol with an adamantane core and a terminal ferrocenyl group linked through ap - phenyleneethynylene bridge was synthesized .
 Chemical: trithiol; Chemical: adamantane; Chemical: ferrocenyl; Chemical: phenyleneethynylene
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: trithiol, adamantane, ferrocenyl, phenyleneethynylene 
Answer:
 Chemical: trithiol; Chemical: adamantane; Chemical: ferrocenyl; Chemical: phenyleneethynylene