Task: Answer the multiple-choice question.
Query: Which compound has a 18.162\% 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. CC(=O)NC(Cc1ccccc1)C(=O)NC1CCN(C(=O)c2ccc([N+](=O)[O-])cc2)CC1
b. NC(=O)c1ccccc1NC(=O)CSc1nc2ccccc2c(=O)[nH]1
c. Cc1cc(C)n(-c2ccc(C(=O)C(C#N)c3nc4ccccc4n3C)cc2)n1
d. Cc1cc(Cl)c2c(c1)C1(NC(CC(N)=O)[C@H]3C(=O)N(c4sc5c(c4C#N)CCCC5)C(=O)[C@H]31)C(=O)N2
Answer: b. NC(=O)c1ccccc1NC(=O)CSc1nc2ccccc2c(=O)[nH]1
{#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#}
NC(=O)c1ccccc1NC(=O)CSc1nc2ccccc2c(=O)[nH]1
NC(=O)c1ccccc1NC(=O)CSc1nc2ccccc2c(=O)[nH]1
2-[[2-[(4-oxo-3H-quinazolin-2-yl)sulfanyl]acetyl]amino]benzamide