Task: Answer the MCQ question.
Question: Which drug exhibits a -2.053\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] O=C(Nc1ccc(Cl)c(-c2nc3ccccc3[nH]2)c1)c1ccc2c(c1)OCO2
[b] COc1ccc2c(c1O)C13CCN(C)C(C2)C1CCC(=O)C3
[c] CC(=O)N1CC23C=CC(CC2CC12CCCCCC2)O3
Answer: a. O=C(Nc1ccc(Cl)c(-c2nc3ccccc3[nH]2)c1)c1ccc2c(c1)OCO2
{#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(Cl)c(-c2nc3ccccc3[nH]2)c1)c1ccc2c(c1)OCO2
O=C(Nc1ccc(Cl)c(-c2nc3ccccc3[nH]2)c1)c1ccc2c(c1)OCO2
N-[4-chloro-3-(1H-benzimidazol-2-yl)phenyl]-1,3-benzodioxole-5-carboxamide