26389
Carboxylate - Assisted Formation of Alkylcarbonate Species from CO2 and Tetramethylammonium Salts with a beta - Amino Acid Anion .
 Chemical: Carboxylate; Chemical: Alkylcarbonate; Chemical: CO2; Chemical: Tetramethylammonium; Chemical: beta - Amino Acid
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: Carboxylate, Alkylcarbonate, CO2, Tetramethylammonium, beta - Amino Acid 
Answer:
 Chemical: Carboxylate; Chemical: Alkylcarbonate; Chemical: CO2; Chemical: Tetramethylammonium; Chemical: beta - Amino Acid