Task: Answer the MCQ question.
Question: Which drug exhibits a 18.398\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCn1c(Oc2cccc(Br)c2)nc2c1c(=O)n(C)c(=O)n2C
(b) CSc1cccc(NC(=O)CNS(=O)(=O)c2ccccc2)c1
Answer: b. CSc1cccc(NC(=O)CNS(=O)(=O)c2ccccc2)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#}
CSc1cccc(NC(=O)CNS(=O)(=O)c2ccccc2)c1
CSc1cccc(NC(=O)CNS(=O)(=O)c2ccccc2)c1
2-(benzenesulfonamido)-N-(5-methylsulfanylphenyl)acetamide