18649
The potential energy curves ( PECs ) of 18 Lambda - S states correlated with the lowest dissociation limit of the CS molecule were calculated , as well as those of 50 Omega states generated from the Lambda - S states .
 Chemical: CS
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: CS 
Answer:
 Chemical: CS