Problem statement: Answer the MCQ question.
Query: Which compound has a -1.584\% 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: CCCCc1ccc(NC(=O)CN(C)CC(=O)Nc2ccccc2Cl)cc1
b: Cc1ccc(C2c3[nH]c4ccccc4c3C[C@H]3C(=O)N(c4ccccc4C(=O)NCCCN4CCOCC4)C(=O)N23)cc1
Answer: a. CCCCc1ccc(NC(=O)CN(C)CC(=O)Nc2ccccc2Cl)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#}
CCCCc1ccc(NC(=O)CN(C)CC(=O)Nc2ccccc2Cl)cc1
CCCCc1ccc(NC(=O)CN(C)CC(=O)Nc2ccccc2Cl)cc1
N-(4-butylphenyl)-2-[[2-(2-chloroanilino)-2-oxoethyl]-methylamino]acetamide