Task: Answer the multiple-choice question.
Question: Which compound exhibits a 15.642\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. Cc1nn(CCc2nn[nH]n2)c2nc(-c3ccc(C4CCCCC4)cc3)cc(C(F)(F)F)c12
b. O=C(c1ccco1)N1CCN(C(=O)C2CCN(S(=O)(=O)c3cnc[nH]3)CC2)CC1
c. COc1ccccc1CN(C)C(=O)CN1C(=O)c2ccccc2C1=O
Answer: c. COc1ccccc1CN(C)C(=O)CN1C(=O)c2ccccc2C1=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#}
COc1ccccc1CN(C)C(=O)CN1C(=O)c2ccccc2C1=O
COc1ccccc1CN(C)C(=O)CN1C(=O)c2ccccc2C1=O
2-(1,3-dioxoisoindol-2-yl)-N-[(2-methoxyphenyl)methyl]-N-methylacetamide