4339
An anti - cephalothin IgG antibody was detected in the patient ' s serum and in the eluates from her erythrocytes .
 Chemical: cephalothin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: cephalothin