Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 2.281\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: O=C(Nc1ccc(S(=O)(=O)Nc2nccs2)cc1)C1=NN(c2ccccc2)C(=O)CC1
b: C[C@H](NS(=O)(=O)c1ccc(Cl)c(Cl)c1)C(=O)OCc1cc(=O)n2cc(Br)ccc2n1
c: Cn1c(SCC(N)=O)nnc1-c1ccc(C(C)(C)C)cc1
d: O=C1C=CC(=O)N1c1ccc(I)cc1Cl
Answer: b. C[C@H](NS(=O)(=O)c1ccc(Cl)c(Cl)c1)C(=O)OCc1cc(=O)n2cc(Br)ccc2n1
{#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#}
C[C@H](NS(=O)(=O)c1ccc(Cl)c(Cl)c1)C(=O)OCc1cc(=O)n2cc(Br)ccc2n1
C[C@H](NS(=O)(=O)c1ccc(Cl)c(Cl)c1)C(=O)OCc1cc(=O)n2cc(Br)ccc2n1
(7-bromo-4-oxopyrido[1,2-a]pyrimidin-2-yl)methyl (2S)-2-[(3,4-dichlorophenyl)sulfonylamino]propanoate