10595
Among the various analogues , trans - ( 4 - guanidino ) cyclohexylmethylamide ( GCMA ) was identified as the most suitable P1 residue .
 Chemical: trans - ( 4 - guanidino ) cyclohexylmethylamide; Chemical: GCMA
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: trans - ( 4 - guanidino ) cyclohexylmethylamide; Chemical: GCMA