21245
Because in - solution geometries change only slightly according to the IEF - PCM continuum solvent calculations in carbon tetrachloride and water , the two theoretical levels were applied further on , and complete basis set ( CBS ) relative internal free energies were estimated for the conformers under study .
 Chemical: carbon tetrachloride
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: carbon tetrachloride 
Answer:
 Chemical: carbon tetrachloride