Task: Answer the multiple choice question.
Question: Which compound has a 5.412\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. O=S(=O)(NCCOc1ccccc1Cl)c1ccc2oc3ccccc3c2c1
b. COC(=O)c1[nH]c2cccc(OC)c2c1NC(=O)CN1CCN(c2cccc(OC)c2)C(C)C1
c. CCOc1ccc(-n2c(-c3ccoc3)nc3ccccc3c2=O)cc1
Answer: a. O=S(=O)(NCCOc1ccccc1Cl)c1ccc2oc3ccccc3c2c1
{#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=S(=O)(NCCOc1ccccc1Cl)c1ccc2oc3ccccc3c2c1
O=S(=O)(NCCOc1ccccc1Cl)c1ccc2oc3ccccc3c2c1
N-[2-(2-chlorophenoxy)ethyl]dibenzofuran-2-sulfonamide