Task: Answer the MCQ question.
Question: Which drug exhibits a 6.855\% 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.) O=S(=O)(Nc1ccc(Br)cc1)N1CCOCC1
b.) COCCNc1nnc(SCC(=O)Nc2cc(-c3ccccc3)nn2-c2ccccc2)s1
Answer: a. O=S(=O)(Nc1ccc(Br)cc1)N1CCOCC1
{#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)(Nc1ccc(Br)cc1)N1CCOCC1
O=S(=O)(Nc1ccc(Br)cc1)N1CCOCC1
N-(4-bromophenyl)morpholine-4-sulfonamide