Task: Answer the multiple-choice question.
Query: Which drug exhibits a -19.285\% 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 CCOC(=O)CSc1nnc(CSc2nc3sc4c(c3c(=O)[nH]2)CCC4)n1C
b CN1CCN(c2ccccc2NC(=O)c2cc3ccccc3o2)CC1
c O=C(C1CCN(S(=O)(=O)c2cccc3nsnc23)CC1)N1CCN(c2ccccc2F)CC1
Answer: b. CN1CCN(c2ccccc2NC(=O)c2cc3ccccc3o2)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#}
CN1CCN(c2ccccc2NC(=O)c2cc3ccccc3o2)CC1
CN1CCN(c2ccccc2NC(=O)c2cc3ccccc3o2)CC1
N-[2-(4-methylpiperazin-1-yl)phenyl]-1-benzofuran-2-carboxamide