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We perform ab initio molecular dynamics simulations of aminophenyl acid dyes NK1 and NK7 , differing by the electron donating group , in a vacuum and adsorbed in mono - and bi - dentate modes on a dry and a water - covered anatase ( 101 ) surface of TiO ( 2 ) , at 300 and 350 K .
 Chemical: aminophenyl acid; Chemical: NK1; Chemical: NK7; Chemical: anatase ( 101 ); Chemical: TiO ( 2 )
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: aminophenyl acid; Chemical: NK1; Chemical: NK7; Chemical: anatase ( 101 ); Chemical: TiO ( 2 )