9922
Electrospray ionization time - of - flight mass spectrometry ( ESI - TOF - MS ) revealed the crude product to contain predominantly Au ( 18 ) ( SePh ) ( 14 ) nanoclusters , and side products include Au ( 15 ) ( SePh ) ( 13 ) , Au ( 19 ) ( SePh ) ( 15 ) and Au ( 20 ) ( SePh ) ( 16 ) .
 Chemical: Au ( 18 ) ( SePh ) ( 14 ); Chemical: Au ( 15 ) ( SePh ) ( 13 ); Chemical: Au ( 19 ) ( SePh ) ( 15 ); Chemical: Au ( 20 ) ( SePh ) ( 16 )
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: Au ( 18 ) ( SePh ) ( 14 ); Chemical: Au ( 15 ) ( SePh ) ( 13 ); Chemical: Au ( 19 ) ( SePh ) ( 15 ); Chemical: Au ( 20 ) ( SePh ) ( 16 )