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The host molecule 1 , 1 , 6 , 6 - tetraphenylhexa - 2 , 4 - diyne - 1 , 6 - diol ( A ) was used to selectively recognise the guest molecule patchouli alcohol ( B ) in the essential oil of Pogostemon cablin ( Blanco ) Benth through two strong hydrogen bonding .
 Chemical: 1 , 1 , 6 , 6 - tetraphenylhexa - 2 , 4 - diyne - 1 , 6 - diol; Chemical: patchouli alcohol; Chemical: hydrogen
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: 1 , 1 , 6 , 6 - tetraphenylhexa - 2 , 4 - diyne - 1 , 6 - diol; Chemical: patchouli alcohol; Chemical: hydrogen