Task: Answer the MCQ question.
Question: Which drug exhibits a 19.216\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COc1ccccc1/C=C/C(=O)Nc1ccc(N2CCOCC2)cc1
(b) CCC1(CC)NC(=O)N(CC(=O)OCC(=O)Nc2sccc2C#N)C1=O
Answer: a. COc1ccccc1/C=C/C(=O)Nc1ccc(N2CCOCC2)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#}
(E)-3-(2-methoxyphenyl)-N-(4-morpholin-4-ylphenyl)prop-2-enamide