Task: Answer the MCQ question.
Question: Which drug exhibits a 1.639\% 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(OCC(=O)N1CCN(C(=O)c2ccco2)CC1)c1cc(-c2ccccc2)nc2ccccc12
b) CCc1ccc(N2CC(C(=O)OCc3nc4ccsc4c(=O)[nH]3)CC2=O)cc1
c) COc1cc(/C=C/C(=O)OC2CC3CCC2(C)C3(C)C)ccc1O
d) NC(=O)C1(N2CCCCC2)CCN(C(=O)c2cccn3c(=O)c4cc(Cl)ccc4nc23)CC1
Answer: b. CCc1ccc(N2CC(C(=O)OCc3nc4ccsc4c(=O)[nH]3)CC2=O)cc1
{#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#}
CCc1ccc(N2CC(C(=O)OCc3nc4ccsc4c(=O)[nH]3)CC2=O)cc1
CCc1ccc(N2CC(C(=O)OCc3nc4ccsc4c(=O)[nH]3)CC2=O)cc1
(4-oxo-3H-thieno[3,2-d]pyrimidin-2-yl)methyl 1-(4-ethylphenyl)-5-oxopyrrolidine-3-carboxylate