Task: Answer the MCQ question.
Query: Which drug has a 2.764\% 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 other words.
Options:
[a] CCN(CCn1cccn1)C(=O)CC1C(=O)NCCN1Cc1ccc(OC)c(OC)c1
[b] Br.CCCn1c(=N)n(CC(=O)c2ccc([N+](=O)[O-])cc2)c2ccccc21
[c] COc1ccccc1Oc1nc(-c2ccccc2)cc(C)c1S(C)(=O)=O
[d] C/C(=N\O)C(=O)NCCN1CCCCC1
Answer: a. CCN(CCn1cccn1)C(=O)CC1C(=O)NCCN1Cc1ccc(OC)c(OC)c1
{#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#}
CCN(CCn1cccn1)C(=O)CC1C(=O)NCCN1Cc1ccc(OC)c(OC)c1
CCN(CCn1cccn1)C(=O)CC1C(=O)NCCN1Cc1ccc(OC)c(OC)c1
N-ethyl-2-[3-oxo-1-[(4,5-dimethoxyphenyl)methyl]piperazin-2-yl]-N-(2-pyrazol-1-ylethyl)acetamide