Problem statement: Answer the MCQ question.
Question: Which compound has a 6.511\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a COc1ccccc1NS(=O)(=O)c1cccc(NC(=O)CCNC(=O)c2ccccc2OC)c1
b O=C(OCc1nc2scc(-c3ccccc3)c2c(=O)[nH]1)c1cc([N+](=O)[O-])ccc1Cl
c CC(C)Cc1[nH]c(=O)c(C#N)c2c1CCC2
d COc1ccc(Cl)cc1N(C(C)=O)c1nc(C)cc(C)c1C#N
e O=C(CCSc1ccc(Cl)c(Cl)c1)NC12CC3CC(CC(C3)C1)C2
Answer: b. O=C(OCc1nc2scc(-c3ccccc3)c2c(=O)[nH]1)c1cc([N+](=O)[O-])ccc1Cl
{#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(OCc1nc2scc(-c3ccccc3)c2c(=O)[nH]1)c1cc([N+](=O)[O-])ccc1Cl
O=C(OCc1nc2scc(-c3ccccc3)c2c(=O)[nH]1)c1cc([N+](=O)[O-])ccc1Cl
(4-oxo-5-phenyl-3H-thieno[2,3-d]pyrimidin-2-yl)methyl 2-chloro-5-nitrobenzoate