Task: Answer the multiple choice question.
Question: Which drug exhibits a 9.421\% 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 additional words.
Options:
a: Cc1cc([N+](=O)[O-])nn1CC(=O)NCCc1c[nH]c2ccccc12
b: CCCN(CCC)c1nc(N)c(C#N)c(CC#N)c1C#N
c: CCOc1cc(S(=O)(=O)N2CCN(c3ccc(F)cc3)CC2)c(OCC)cc1-n1cnnn1
d: CCOC(=O)C1CCCN(C(=O)c2cc3c(OC)c(OC)c(OC)cc3[nH]2)C1
Answer: d. CCOC(=O)C1CCCN(C(=O)c2cc3c(OC)c(OC)c(OC)cc3[nH]2)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#}
CCOC(=O)C1CCCN(C(=O)c2cc3c(OC)c(OC)c(OC)cc3[nH]2)C1
CCOC(=O)C1CCCN(C(=O)c2cc3c(OC)c(OC)c(OC)cc3[nH]2)C1
ethyl 1-(4,5,6-trimethoxy-1H-indole-2-carbonyl)piperidine-3-carboxylate