Task: Answer the MCQ question.
Query: Which drug has a -5.877\% 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 additional words.
Options:
a: O=C(Nc1ccc(F)cc1)c1cc(Cl)sc1Cl
b: COc1ccc(NC(=O)CN(C)C(=O)CNC(=O)c2ccc3c(c2)OCO3)cc1
Answer: a. O=C(Nc1ccc(F)cc1)c1cc(Cl)sc1Cl
{#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(Nc1ccc(F)cc1)c1cc(Cl)sc1Cl
O=C(Nc1ccc(F)cc1)c1cc(Cl)sc1Cl
2,5-dichloro-N-(4-fluorophenyl)thiophene-3-carboxamide