Task: Answer the multiple choice question.
Query: Which drug has a 12.009\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a COCCNc1nnc(Cc2ccc(Cl)cc2)c(=O)[nH]1
b COc1ccccc1CCC(=O)Nc1ccc2c(c1)CN(Cc1ccc(C)o1)CC2
c Cc1ccc(S(=O)(=O)c2nc(C)c([N+](=O)[O-])c(C)c2C#N)cc1
d CCOC(=O)CNC(=O)CSc1ncnc2c1cnn2-c1ccc(OC)cc1
Answer: a. COCCNc1nnc(Cc2ccc(Cl)cc2)c(=O)[nH]1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COCCNc1nnc(Cc2ccc(Cl)cc2)c(=O)[nH]1
COCCNc1nnc(Cc2ccc(Cl)cc2)c(=O)[nH]1
6-[(4-chlorophenyl)methyl]-3-(2-methoxyethylamino)-4H-1,2,4-triazin-5-one