Task: Answer the multiple-choice question.
Query: Which compound exhibits a -19.755\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) CN1CCN(C(=O)C2CCCCC2C(=O)O)CC1
(b) O=C(CSc1nc2c(sc3ccccc32)c(=O)n1CCCN1CCCC1)NCC1CCCO1
(c) Cc1ccc(NC(=O)CN(C)C(=O)c2ccc(OCc3cn4ccccc4n3)cc2)cc1
(d) CC(C)(C)Nc1nc(OCC#N)nc(N2CCCCC2)n1
Answer: b. O=C(CSc1nc2c(sc3ccccc32)c(=O)n1CCCN1CCCC1)NCC1CCCO1
{#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=C(CSc1nc2c(sc3ccccc32)c(=O)n1CCCN1CCCC1)NCC1CCCO1
O=C(CSc1nc2c(sc3ccccc32)c(=O)n1CCCN1CCCC1)NCC1CCCO1
N-(oxolan-2-ylmethyl)-2-[[4-oxo-3-(3-pyrrolidin-1-ylpropyl)-[1]benzothiolo[3,2-d]pyrimidin-2-yl]sulfanyl]acetamide