Task: Answer the multiple choice question.
Question: Which compound exhibits a 7.429\% 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, c, or d without using any additional words.
Options:
(a) COn1c(-n2nc(C)cc2C)nc2ccccc2c1=O
(b) CC12CC3CC(C)(C1)CC(C(=O)N1CCCC1)(C3)C2
(c) O=C(CSc1n[nH]c(=O)[nH]c1=O)c1ccccc1
(d) COc1cc2ccccc2cc1C(=O)N(CCN(C)C)c1nc2c(C)cccc2s1.Cl
Answer: b. CC12CC3CC(C)(C1)CC(C(=O)N1CCCC1)(C3)C2
{#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#}
CC12CC3CC(C)(C1)CC(C(=O)N1CCCC1)(C3)C2
CC12CC3CC(C)(C1)CC(C(=O)N1CCCC1)(C3)C2
(3,5-dimethyl-1-adamantyl)-pyrrolidin-1-ylmethanone