Task: Answer the multiple-choice question.
Query: Which drug exhibits a 15.891\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CCOC(=O)c1c(O)c2cccc3c2n(c1=O)CC3
b: Cc1ccc(C(=O)Nc2ccc(N3CCN(C(=O)c4ccco4)CC3)cc2)c(Cl)c1
c: NS(=O)(=O)c1ccc(N/N=C2/CCCc3ccccc32)c([N+](=O)[O-])c1
d: O=C(CCN1C(=O)c2ccccc2C1=O)NC(=S)Nc1cccc(Cl)c1
Answer: a. CCOC(=O)c1c(O)c2cccc3c2n(c1=O)CC3
{#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)c1c(O)c2cccc3c2n(c1=O)CC3
CCOC(=O)c1c(O)c2cccc3c2n(c1=O)CC3
10-ethoxycarbonyl-9-hydroxy-1-azatricyclo[6.3.1.04,12]dodeca-4(12),5,7,9-tetraen-11-one