3993
A novel nickel ( II ) hexaaza macrocyclic complex , [ Ni ( L ( R , R ) ) ] ( ClO ( 4 ) ) ( 2 ) ( 1 ) , containing chiral pendant groups was synthesized by an efficient one - pot template condensation and characterized ( L ( R , R ) = 1 , 8 - di ( ( R ) - alpha - methylnaphthyl ) - 1 , 3 , 6 , 8 , 10 , 13 - hexaazacyclotetradecane ) .
 Chemical: nickel ( II ) hexaaza; Chemical: [ Ni ( L ( R , R ) ) ] ( ClO ( 4 ) ) ( 2 ); Chemical: 1 , 8 - di ( ( R ) - alpha - methylnaphthyl ) - 1 , 3 , 6 , 8 , 10 , 13 - hexaazacyclotetradecane
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
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Answer:
 Chemical: nickel ( II ) hexaaza; Chemical: [ Ni ( L ( R , R ) ) ] ( ClO ( 4 ) ) ( 2 ); Chemical: 1 , 8 - di ( ( R ) - alpha - methylnaphthyl ) - 1 , 3 , 6 , 8 , 10 , 13 - hexaazacyclotetradecane