Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 2.724\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CCCc1nnc(NC(=O)CCC(=O)N2CCN(c3ccccc3)CC2)s1
b: O=[N+]([O-])c1cccnc1Sc1ccc(F)cc1
c: CSc1cccc(NC(=O)COc2cccc3ccccc23)c1
d: O=[N+]([O-])c1ccc(-c2csc3[n+]2CCS3)cc1.[Br-]
Answer: a. CCCc1nnc(NC(=O)CCC(=O)N2CCN(c3ccccc3)CC2)s1
{#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#}
CCCc1nnc(NC(=O)CCC(=O)N2CCN(c3ccccc3)CC2)s1
CCCc1nnc(NC(=O)CCC(=O)N2CCN(c3ccccc3)CC2)s1
4-oxo-4-(4-phenylpiperazin-1-yl)-N-(5-propyl-1,3,4-thiadiazol-2-yl)butanamide