Task: Answer the multiple choice question.
Query: Which compound exhibits a 4.385\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a COc1ccc(OC)c2nc(-c3ccc4c(c3)OCO4)ccc12
b O=C(CSc1nccc(=O)[nH]1)Nc1cccc(S(=O)(=O)N2CCOCC2)c1
c Nc1c(Cl)c(Cl)nc(C(=O)OCC(=O)N2CCCC2=O)c1Cl
d COc1ccccc1Nc1ccncc1[N+](=O)[O-]
Answer: c. Nc1c(Cl)c(Cl)nc(C(=O)OCC(=O)N2CCCC2=O)c1Cl
{#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#}
Nc1c(Cl)c(Cl)nc(C(=O)OCC(=O)N2CCCC2=O)c1Cl
Nc1c(Cl)c(Cl)nc(C(=O)OCC(=O)N2CCCC2=O)c1Cl
[2-oxo-2-(2-oxopyrrolidin-1-yl)ethyl] 4-amino-3,5,6-trichloropyridine-2-carboxylate