Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 1.678\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] COc1ccc(S(=O)(=O)N(CC(=O)N/N=C/c2ccccc2C(=O)O)c2ccccc2OC)cc1
[b] O=S(=O)(Nn1cnnc1)c1ccccc1
Answer: b. O=S(=O)(Nn1cnnc1)c1ccccc1
{#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)(Nn1cnnc1)c1ccccc1
O=S(=O)(Nn1cnnc1)c1ccccc1
N-(1,2,4-triazol-4-yl)benzenesulfonamide