Task: Answer the MCQ question.
Question: Which drug exhibits a 18.884\% 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 or b without using any additional words.
Options:
(a) COc1ccc(CN(C)C(=O)Cn2ccc(N)nc2=O)cc1OC
(b) Cc1nnc(NC(=O)/C=C/c2ccco2)s1
Answer: b. Cc1nnc(NC(=O)/C=C/c2ccco2)s1
{#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#}
Cc1nnc(NC(=O)/C=C/c2ccco2)s1
Cc1nnc(NC(=O)/C=C/c2ccco2)s1
(E)-3-(furan-2-yl)-N-(5-methyl-1,3,4-thiadiazol-2-yl)prop-2-enamide