Task: Answer the MCQ question.
Question: Which compound exhibits a 4.772\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] CCN(CC)CCCOC(=O)C(OC)(c1ccccc1)c1ccccc1.Cl
[b] CC1(C)C=C(c2ccc(C=O)s2)CC(C)(C)N1C=O
[c] Cc1ccccc1Cn1c(NC2CCCC2)nc2c1c(=O)[nH]c(=O)n2C
Answer: b. CC1(C)C=C(c2ccc(C=O)s2)CC(C)(C)N1C=O
{#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#}
CC1(C)C=C(c2ccc(C=O)s2)CC(C)(C)N1C=O
CC1(C)C=C(c2ccc(C=O)s2)CC(C)(C)N1C=O
4-(5-formylthiophen-2-yl)-2,2,6,6-tetramethyl-3H-pyridine-1-carbaldehyde