Task: Answer the multiple-choice question.
Question: Which compound has a -4.612\% 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(NCc1ccccc1F)c1cccs1
b: COCCNC(=O)C(c1ccc(C)cc1)N(CCOC)C(=O)CCC(=O)Nc1ccccn1
Answer: a. O=C(NCc1ccccc1F)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#}
O=C(NCc1ccccc1F)c1cccs1
O=C(NCc1ccccc1F)c1cccs1
N-[(2-fluorophenyl)methyl]thiophene-2-carboxamide