Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a -52.235% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. COc1ccc(/C=C/C(=O)Nc2cc(S(=O)(=O)N3CCOCC3)ccc2N2CCCC2)cc1OC
b. CN1CCN(c2ccc([N+](=O)[O-])cc2Cl)CC1
c. O=C(Nc1nccs1)c1cc(-c2ccco2)nc2ccccc12
Answer: b. CN1CCN(c2ccc([N+](=O)[O-])cc2Cl)CC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CN1CCN(c2ccc([N+](=O)[O-])cc2Cl)CC1
CN1CCN(c2ccc([N+](=O)[O-])cc2Cl)CC1
1-(2-chloro-4-nitrophenyl)-4-methylpiperazine