Task: Answer the multiple-choice question.
Query: Which compound has a 2.648\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CSc1cccc(NC(=O)CN(C2CCCCC2)S(C)(=O)=O)c1
b COc1ccc(C(=O)c2ccc([N+](=O)[O-])cc2Cl)cc1
Answer: a. CSc1cccc(NC(=O)CN(C2CCCCC2)S(C)(=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#}
CSc1cccc(NC(=O)CN(C2CCCCC2)S(C)(=O)=O)c1
CSc1cccc(NC(=O)CN(C2CCCCC2)S(C)(=O)=O)c1
2-[cyclohexyl(methylsulfonyl)amino]-N-(5-methylsulfanylphenyl)acetamide