18224
The dose - response relationship for biomarkers of exposure ( N ( 2 ) - ethylidene - dG adducts ) and effect ( cell survival and micronucleus formation ) was determined across 4 . 5 orders of magnitude ( 50nM - 2mM ) using [ ( 13 ) C2 ] - acetaldehyde exposures to human lymphoblastoid TK6 cells for 12h .
 Chemical: N ( 2 ) - ethylidene - dG; Chemical: [ ( 13 ) C2 ] - acetaldehyde
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: N ( 2 ) - ethylidene - dG, [ ( 13 ) C2 ] - acetaldehyde 
Answer:
 Chemical: N ( 2 ) - ethylidene - dG; Chemical: [ ( 13 ) C2 ] - acetaldehyde