4507
Reaction of aromatic / heterocyclic sulfonamides possessing free amino , imino or hydrazino moieties with 7 - chloro - 4 - chloromethylcoumarin afforded a series of N - [ ( 7 - chloro - 4 - coumarinyl ) - methyl ] - derivatives which showed effective inhibition of three carbonic anhydrase ( CA ) isozymes .
 GENE: carbonic anhydrase; GENE: CA
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: carbonic anhydrase; GENE: CA