Task: Answer the multiple-choice question.
Question: Which drug has a 5.049\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: CCc1nnc(NC(=O)CCC(=O)N2CCN(c3ccccn3)CC2)s1
b: O=C(O)CSC1c2ccccc2C(=O)N1c1ccccc1
c: Cc1ccc(S(=O)(=O)N(CC(=O)Nc2ccccc2C(=O)O)c2cccc(Cl)c2C)cc1
d: COc1ccc(NS(=O)(=O)c2cccc(C(=O)NNC(=O)CN3C(=O)NC(C)(C)C3=O)c2)cc1
e: O=C(CN1CCCCCC1)Nc1cc([N+](=O)[O-])ccc1Cl
Answer: a. CCc1nnc(NC(=O)CCC(=O)N2CCN(c3ccccn3)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#}
CCc1nnc(NC(=O)CCC(=O)N2CCN(c3ccccn3)CC2)s1
CCc1nnc(NC(=O)CCC(=O)N2CCN(c3ccccn3)CC2)s1
N-(5-ethyl-1,3,4-thiadiazol-2-yl)-4-oxo-4-(4-pyridin-2-ylpiperazin-1-yl)butanamide