Problem statement: Answer the MCQ question.
Query: Which drug has a 1.350\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. O=C(Nc1cc([N+](=O)[O-])ccc1Cl)c1ccc2c(c1)OCO2
b. CSc1ccccc1-c1nnc(NC(=O)Cc2ccccc2)o1
c. COc1ccccc1N1CCN(Cc2ccc(OC)c(OC)c2OC)CC1
Answer: a. O=C(Nc1cc([N+](=O)[O-])ccc1Cl)c1ccc2c(c1)OCO2
{#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#}
O=C(Nc1cc([N+](=O)[O-])ccc1Cl)c1ccc2c(c1)OCO2
O=C(Nc1cc([N+](=O)[O-])ccc1Cl)c1ccc2c(c1)OCO2
N-(2-chloro-5-nitrophenyl)-1,3-benzodioxole-5-carboxamide