Task: Answer the multiple choice question.
Question: Which drug exhibits a 5.096\% 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 additional words.
Options:
(a) O=C(NCc1ccco1)c1cnn2c1NC(c1ccccc1)CC2C(F)(F)F
(b) Cc1c(NC(=O)Nc2ccc([N+](=O)[O-])cc2)c(=O)n(-c2ccccc2)n1C
(c) COc1cccc(C(=O)N(c2ccc(C)cc2)C2C=CS(=O)(=O)C2)c1
(d) CCc1cccc(C)c1NC(=O)CCCn1c(=O)c2cccn2c2cccnc21
Answer: b. Cc1c(NC(=O)Nc2ccc([N+](=O)[O-])cc2)c(=O)n(-c2ccccc2)n1C
{#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#}
Cc1c(NC(=O)Nc2ccc([N+](=O)[O-])cc2)c(=O)n(-c2ccccc2)n1C
Cc1c(NC(=O)Nc2ccc([N+](=O)[O-])cc2)c(=O)n(-c2ccccc2)n1C
1-(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-3-(4-nitrophenyl)urea