Problem statement: Answer the MCQ question.
Query: Which drug has a 13.790\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: Oc1ccc(/C=N/NC(=S)Nc2cccnc2)cc1
b: Cc1ccc(NC(=O)c2ccc3snnc3c2)cc1C
c: CCCCc1nc2cc(Cl)ccc2o1
Answer: c. CCCCc1nc2cc(Cl)ccc2o1
{#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#}
CCCCc1nc2cc(Cl)ccc2o1
CCCCc1nc2cc(Cl)ccc2o1
2-butyl-5-chloro-1,3-benzoxazole