Problem statement: Answer the multiple-choice question.
Question: Which drug has a 2.178\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=C1CN(C(=O)CSc2nnc(Nc3ccccc3)s2)c2ccccc2N1
(b) CCOC(=O)N1CCC(N2Cc3cccc(C(=O)N4CCN(c5cccc(C)c5C)CC4)c3C2=O)CC1
Answer: a. O=C1CN(C(=O)CSc2nnc(Nc3ccccc3)s2)c2ccccc2N1
{#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#}
O=C1CN(C(=O)CSc2nnc(Nc3ccccc3)s2)c2ccccc2N1
O=C1CN(C(=O)CSc2nnc(Nc3ccccc3)s2)c2ccccc2N1
4-[2-[(5-anilino-1,3,4-thiadiazol-2-yl)sulfanyl]acetyl]-1,3-dihydroquinoxalin-2-one