Problem statement: Answer the MCQ question.
Query: Which drug exhibits a -2.147\% 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) CCC(Sc1nncn1C)C(=O)Nc1ccccc1OC
b) O=C(C1CC(=O)N(C2CCCC2)C1)N1CCC(Cc2ccccc2)CC1
c) NC(=O)CCn1c(=O)oc2ccccc21
d) COc1ccc(Cl)cc1C(=O)CSc1nc(N)cc(N)n1
Answer: a. CCC(Sc1nncn1C)C(=O)Nc1ccccc1OC
{#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#}
CCC(Sc1nncn1C)C(=O)Nc1ccccc1OC
CCC(Sc1nncn1C)C(=O)Nc1ccccc1OC
N-(2-methoxyphenyl)-2-[(4-methyl-1,2,4-triazol-3-yl)sulfanyl]butanamide