Task: Answer the MCQ question.
Question: Which drug exhibits a 16.481\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a O=C(c1ccc(-c2ccc([N+](=O)[O-])cc2)o1)N1CCN(S(=O)(=O)c2cccs2)CC1
b CNC(=O)CS(=O)(=O)CC(=O)Nc1cc(OC(C)C)c(Cl)cc1Cl
Answer: b. CNC(=O)CS(=O)(=O)CC(=O)Nc1cc(OC(C)C)c(Cl)cc1Cl
{#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#}
CNC(=O)CS(=O)(=O)CC(=O)Nc1cc(OC(C)C)c(Cl)cc1Cl
CNC(=O)CS(=O)(=O)CC(=O)Nc1cc(OC(C)C)c(Cl)cc1Cl
2-[2-(2,4-dichloro-5-propan-2-yloxyanilino)-2-oxoethyl]sulfonyl-N-methylacetamide