Task: Answer the MCQ question.
Query: Which compound exhibits a -78.395\% 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 Cc1ccc(OCCNC(=O)c2cccc(Oc3ccc(C(F)(F)F)cc3[N+](=O)[O-])c2)cc1
b CCN(C(=O)CSc1nc(-c2cccs2)nc2ccccc12)C1CCS(=O)(=O)C1
Answer: b. CCN(C(=O)CSc1nc(-c2cccs2)nc2ccccc12)C1CCS(=O)(=O)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#}
CCN(C(=O)CSc1nc(-c2cccs2)nc2ccccc12)C1CCS(=O)(=O)C1
CCN(C(=O)CSc1nc(-c2cccs2)nc2ccccc12)C1CCS(=O)(=O)C1
N-(1,1-dioxothiolan-3-yl)-N-ethyl-2-(2-thiophen-2-ylquinazolin-4-yl)sulfanylacetamide