Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 6.507\% human ether-à-go-go related gene (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(Cl)cc1S(=O)(=O)NCc1cccnc1
b) COc1cc(C=O)ccc1OCc1cccc(Br)c1
Answer: a. COc1ccc(Cl)cc1S(=O)(=O)NCc1cccnc1
{#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#}
5-chloro-2-methoxy-N-(pyridin-3-ylmethyl)benzenesulfonamide