7955
Ligand - exchange reactions of copper ( I ) precursors ( [ Cu ( CH ( 3 ) CN ) ( 4 ) ] BF ( 4 ) , CuCl ) with a panel of bis ( azolyl ) borates or poly ( pyrazolyl ) methanes and a tertiary monodentate phosphine ( PTA = 1 , 3 , 5 - triaza - 7 - phosphaadamantane , PCN = tris ( cyanoethyl ) phosphine ) produced two series of heteroleptic , either ' 2 + 1 + 1 ' - or ' 3 + 1 ' - type complexes , which have been characterized by elemental analysis , FT - IR , ESI - MS and multinuclear ( 31 ) P and ( 1 ) H NMR .
 Chemical: copper ( I ); Chemical: [ Cu ( CH ( 3 ) CN ) ( 4 ) ] BF ( 4 ); Chemical: CuCl; Chemical: bis ( azolyl ) borates; Chemical: poly ( pyrazolyl ) methanes; Chemical: tertiary monodentate phosphine; Chemical: PTA; Chemical: 1 , 3 , 5 - triaza - 7 - phosphaadamantane; Chemical: PCN; Chemical: tris ( cyanoethyl ) phosphine; Chemical: ( 31 ) P; Chemical: ( 1 ) H
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: copper ( I ); Chemical: [ Cu ( CH ( 3 ) CN ) ( 4 ) ] BF ( 4 ); Chemical: CuCl; Chemical: bis ( azolyl ) borates; Chemical: poly ( pyrazolyl ) methanes; Chemical: tertiary monodentate phosphine; Chemical: PTA; Chemical: 1 , 3 , 5 - triaza - 7 - phosphaadamantane; Chemical: PCN; Chemical: tris ( cyanoethyl ) phosphine; Chemical: ( 31 ) P; Chemical: ( 1 ) H