Task: Answer the multiple-choice question.
Query: Which compound exhibits a 6.264\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. COc1ccc(NC(=O)C(OC(=O)c2ccc([N+](=O)[O-])o2)c2ccccc2)cc1Cl
b. CC1CCCCN1S(=O)(=O)c1ccc(N(C(=O)c2cnccn2)C(C(=O)NC2CCCCC2)c2cccs2)cc1
Answer: b. CC1CCCCN1S(=O)(=O)c1ccc(N(C(=O)c2cnccn2)C(C(=O)NC2CCCCC2)c2cccs2)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#}
CC1CCCCN1S(=O)(=O)c1ccc(N(C(=O)c2cnccn2)C(C(=O)NC2CCCCC2)c2cccs2)cc1
CC1CCCCN1S(=O)(=O)c1ccc(N(C(=O)c2cnccn2)C(C(=O)NC2CCCCC2)c2cccs2)cc1
N-[2-(cyclohexylamino)-2-oxo-1-thiophen-2-ylethyl]-N-[4-(2-methylpiperidin-1-yl)sulfonylphenyl]pyrazine-2-carboxamide