Task: Answer the multiple choice question.
Question: Which compound has a 12.786\% 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) CN(C)C(=S)NC(=O)c1cccc(Cl)c1
b) COc1ccccc1NC(=O)c1cc[n+](C)cc1.[I-]
c) CCc1nc(NCCCN2CCOCC2)c2oc3ccccc3c2n1
d) CC(=O)Nc1ccc(NC(=O)c2ccc(NS(=O)(=O)c3cc(C(C)(C)C)ccc3C)cc2)cc1
Answer: b. COc1ccccc1NC(=O)c1cc[n+](C)cc1.[I-]
{#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#}
N-(2-methoxyphenyl)-1-methylpyridin-1-ium-4-carboxamide;iodide