Task: Answer the multiple-choice question.
Query: Which drug exhibits a 1.892\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) COc1ccc([N+](=O)[O-])cc1NS(=O)(=O)c1cccc(C(=O)O)c1
(b) CCOC(=O)C1(Cc2ccccc2)CCCN(Cc2ccncc2)C1
(c) CCOc1ccc(S(=O)(=O)NCCC(=O)NCC2(N3CCCCC3)CCCCC2)cc1
(d) O=C(c1cc(F)cc2c1OCOC2)N1CCN(c2ccc(F)cc2)CC1
(e) CC(C)COc1ccc(C(=O)N(Cc2ccco2)C2CCS(=O)(=O)C2)cc1
Answer: b. CCOC(=O)C1(Cc2ccccc2)CCCN(Cc2ccncc2)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)C1(Cc2ccccc2)CCCN(Cc2ccncc2)C1
CCOC(=O)C1(Cc2ccccc2)CCCN(Cc2ccncc2)C1
ethyl 3-benzyl-1-(pyridin-4-ylmethyl)piperidine-3-carboxylate