Task: Answer the multiple choice question.
Question: Which compound exhibits a 6.992\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) O=C(Cc1ccc(S(=O)(=O)N2CCCC2)s1)N1CCOCC1
(b) O=C(CSc1nc2ccccc2nc1N1CCOCC1)N1CCN(c2ccccc2)CC1
(c) CNC(=O)Nc1cccc2cccnc12
(d) C1N2CN3CN1CN(C2)C3
(e) CCOc1ccc(Cl)cc1S(=O)(=O)N1CCN(c2ccc(C)c(C)c2)CC1
Answer: b. O=C(CSc1nc2ccccc2nc1N1CCOCC1)N1CCN(c2ccccc2)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#}
2-(3-morpholin-4-ylquinoxalin-2-yl)sulfanyl-1-(4-phenylpiperazin-1-yl)ethanone