Task: Answer the MCQ question.
Question: Which drug exhibits a 0.808\% 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) Cl.Cn1cnc(CCN)c1
b) CC(C)(C)NC(=O)C1CC(=O)OC1(C)C
c) Cc1ccc(-c2nnc(SCC(=O)N/N=C/c3ccccc3C(=O)O)n2C2CCCCC2)cc1
Answer: a. Cl.Cn1cnc(CCN)c1
{#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#}
Cl.Cn1cnc(CCN)c1
Cl.Cn1cnc(CCN)c1
2-(1-methylimidazol-4-yl)ethanamine;hydrochloride