Task: Answer the multiple-choice question.
Query: Which drug has a -49.484\% 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: CCn1nc([N+](=O)[O-])c2c(-c3nc4ccccc4o3)c(N)n(CCCOC)c2c1=O
b: CCCCNC(=O)N1CCCC(N(C)CCc2ccc(OC)c(OC)c2)C1
c: O=C(N/N=C/c1coc2ccccc2c1=O)c1cc(Br)ccc1O
d: COC(=O)C1=C(c2cccc(OC)c2OC)C[C@@H]2CC[C@H]1N2C(=O)N1CCOCC1
Answer: b. CCCCNC(=O)N1CCCC(N(C)CCc2ccc(OC)c(OC)c2)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#}
CCCCNC(=O)N1CCCC(N(C)CCc2ccc(OC)c(OC)c2)C1
CCCCNC(=O)N1CCCC(N(C)CCc2ccc(OC)c(OC)c2)C1
N-butyl-3-[2-(3,4-dimethoxyphenyl)ethyl-methylamino]piperidine-1-carboxamide