Task: Answer the MCQ question.
Question: Which compound exhibits a 14.378\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] O=C(NCC1CCCO1)C1CCCN(S(=O)(=O)c2ccc(Cl)cc2)C1
[b] COc1cccc(CNc2ccc([N+](=O)[O-])cc2Cl)c1O
[c] CS(=O)(=O)N(CC(=O)NCc1ccc2c(c1)OCO2)Cc1ccccc1
[d] CC1=NNC(=O)/C1=C\c1cn(-c2ccccc2)nc1-c1ccc(Cl)cc1
[e] CC1CCCCN1Cc1c(C#N)c2ccccc2n1C
Answer: b. COc1cccc(CNc2ccc([N+](=O)[O-])cc2Cl)c1O
{#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#}
COc1cccc(CNc2ccc([N+](=O)[O-])cc2Cl)c1O
COc1cccc(CNc2ccc([N+](=O)[O-])cc2Cl)c1O
2-[(2-chloro-4-nitroanilino)methyl]-6-methoxyphenol