Task: Answer the MCQ question.
Query: Which compound exhibits a 3.396\% 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, or c without using any other words.
Options:
(a) CC(C)(C)C(=O)N1CCN(c2ccc(NC(=O)c3ccc([N+](=O)[O-])o3)cc2)CC1
(b) CCCn1c(NC(=O)C2CCN(C(=O)c3ccc(F)cc3)CC2)nc2ccccc21
(c) Cc1ccc2c(c1)c(N=O)c(O)n2Cc1ccc(Cl)cc1
Answer: c. Cc1ccc2c(c1)c(N=O)c(O)n2Cc1ccc(Cl)cc1
{#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#}
Cc1ccc2c(c1)c(N=O)c(O)n2Cc1ccc(Cl)cc1
Cc1ccc2c(c1)c(N=O)c(O)n2Cc1ccc(Cl)cc1
1-[(4-chlorophenyl)methyl]-5-methyl-3-nitrosoindol-2-ol