Problem statement: Answer the MCQ question.
Question: Which drug has a 1.676\% 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] CCCCCC(O)(CCN1CCCCC1)c1ccccc1.Cl
[b] CCCN1CCN(CCCNC(=O)c2cc3c(=O)[nH]c4ccccc4c3s2)CC1
[c] CN(CC(=O)Nc1ccc(Cl)cc1)C(=O)CCc1nc2sc3c(c2c(=O)[nH]1)CCCC3
[d] CCOc1cc(/C=N/NC(=O)C(=O)N2CCCC2)ccc1O
Answer: b. CCCN1CCN(CCCNC(=O)c2cc3c(=O)[nH]c4ccccc4c3s2)CC1
{#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#}
CCCN1CCN(CCCNC(=O)c2cc3c(=O)[nH]c4ccccc4c3s2)CC1
CCCN1CCN(CCCNC(=O)c2cc3c(=O)[nH]c4ccccc4c3s2)CC1
4-oxo-N-[3-(4-propylpiperazin-1-yl)propyl]-5H-thieno[3,2-c]quinoline-2-carboxamide