Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 16.140\% 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. CCN=C1SC(CC(=O)Nc2ccc(C)cc2)C(=O)N1CC
b. O=C(Nc1ccccc1N1CCCCC1)c1ccc(Cl)c([N+](=O)[O-])c1
c. CCOC(=O)COc1cc(OCC(=O)OCC)c2c3c(c(=O)oc2c1)CCCC3
Answer: b. O=C(Nc1ccccc1N1CCCCC1)c1ccc(Cl)c([N+](=O)[O-])c1
{#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(Nc1ccccc1N1CCCCC1)c1ccc(Cl)c([N+](=O)[O-])c1
O=C(Nc1ccccc1N1CCCCC1)c1ccc(Cl)c([N+](=O)[O-])c1
4-chloro-3-nitro-N-(2-piperidin-1-ylphenyl)benzamide