Task: Answer the MCQ question.
Query: Which drug exhibits a 3.938\% 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 other words.
Options:
[a] CN(Cc1cccnc1)C(=O)CC1C(=O)NCCN1CC(c1ccccc1)c1ccccc1
[b] CN1CCC(=NNc2ccc(S(=O)(=O)N3CCOCC3)cc2[N+](=O)[O-])CC1
[c] CCOC(=O)c1oc2ccccc2c1NC(=O)CN1CCN(C)CC1
Answer: a. CN(Cc1cccnc1)C(=O)CC1C(=O)NCCN1CC(c1ccccc1)c1ccccc1
{#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#}
CN(Cc1cccnc1)C(=O)CC1C(=O)NCCN1CC(c1ccccc1)c1ccccc1
CN(Cc1cccnc1)C(=O)CC1C(=O)NCCN1CC(c1ccccc1)c1ccccc1
2-[1-(2,2-diphenylethyl)-3-oxopiperazin-2-yl]-N-methyl-N-(pyridin-3-ylmethyl)acetamide