Task: Answer the MCQ question.
Question: Which compound has a -6.402\% 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) COC(=O)COn1c(-n2nc(C)cc2C)nc2ccccc2c1=O
(b) NS(=O)(=O)c1ccc(CCNC(=O)COC(=O)Cc2ccc([N+](=O)[O-])cc2)cc1
(c) C=CCOn1c(C)c(C(C)=O)c2c3no[n+]([O-])c3ccc21
(d) Brc1ccc2c(c1)C(C1=NCCN1)c1ccccc1CS2.O=C(O)/C=C\C(=O)O
Answer: d. Brc1ccc2c(c1)C(C1=NCCN1)c1ccccc1CS2.O=C(O)/C=C\C(=O)O
{#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#}
Brc1ccc2c(c1)C(C1=NCCN1)c1ccccc1CS2.O=C(O)/C=C\C(=O)O
Brc1ccc2c(c1)C(C1=NCCN1)c1ccccc1CS2.O=C(O)/C=C\C(=O)O
2-(2-bromo-6,11-dihydrobenzo[c][1]benzothiepin-11-yl)-4,5-dihydro-1H-imidazole;(Z)-but-2-enedioic acid