Task: Answer the MCQ question.
Query: Which drug exhibits a 1.951% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a O=C(Oc1c(Cl)cc(Cl)c2cccnc12)c1cccs1
b O=C(c1ccc2c(c1)OCO2)N1CCN(S(=O)(=O)N2CCCCC2)CC1
Answer: a. O=C(Oc1c(Cl)cc(Cl)c2cccnc12)c1cccs1
{#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#}
O=C(Oc1c(Cl)cc(Cl)c2cccnc12)c1cccs1
O=C(Oc1c(Cl)cc(Cl)c2cccnc12)c1cccs1
(5,7-dichloroquinolin-8-yl)thiophene-2-carboxylate