Task: Answer the MCQ question.
Query: Which compound exhibits a -3.112\% 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=C(Nc1ccc(O)c(-c2nc3ccccc3s2)c1)c1cccs1
b. O=[N+]([O-])c1ccc(Cl)cc1Sc1nc2ccccc2o1
Answer: a. O=C(Nc1ccc(O)c(-c2nc3ccccc3s2)c1)c1cccs1
{#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#}
N-[3-(1,3-benzothiazol-2-yl)-4-hydroxyphenyl]thiophene-2-carboxamide