Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a -2.499\% 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, or c without using any additional words.
Options:
a) COc1ccccc1/C=C/C=N/NC(=O)c1ccccn1
b) CC1CCN(C(=O)Cc2nn(C)c(=O)c3ccccc23)CC1
c) Cc1cc2nc(-c3ccc(SCC(=O)Nc4ccc(S(=O)(=O)NC5CC5)cc4)nc3)[nH]c2cc1C
Answer: a. COc1ccccc1/C=C/C=N/NC(=O)c1ccccn1
{#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#}
COc1ccccc1/C=C/C=N/NC(=O)c1ccccn1
COc1ccccc1/C=C/C=N/NC(=O)c1ccccn1
N-[(E)-[(E)-3-(2-methoxyphenyl)prop-2-enylidene]amino]pyridine-2-carboxamide