Problem statement: Answer the MCQ question.
Question: Which compound has a -1.172\% 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: COc1ccc(C(C)(C)C)cc1NC(=O)CCCN1C(=O)NC(C)(C)C1=O
b: O=[N+]([O-])c1ccc(N2CCNCC2)cc1Sc1ccccn1
c: CCCCn1c(N)c(N(CCOC)C(=O)c2ccc(-c3ccccc3)cc2)c(=O)[nH]c1=O
d: Cc1csc2nc(O)c(C(=O)NCCCc3ccccc3)c(=O)n12
Answer: b. O=[N+]([O-])c1ccc(N2CCNCC2)cc1Sc1ccccn1
{#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#}
O=[N+]([O-])c1ccc(N2CCNCC2)cc1Sc1ccccn1
O=[N+]([O-])c1ccc(N2CCNCC2)cc1Sc1ccccn1
1-(4-nitro-3-pyridin-2-ylsulfanylphenyl)piperazine