Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 0.973\% 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] O=C(c1ccc(-n2cncn2)c([N+](=O)[O-])c1)N1CCN(S(=O)(=O)c2ccccc2F)CC1
[b] CCCCOc1ccc(C(=O)NCC(=O)NCCOc2ccccc2)cc1
[c] CC(OC(=O)CNS(=O)(=O)c1ccc(C#N)cc1)C(=O)Nc1ccc(Cl)cn1
[d] Cc1ccc(NC(=O)[C@@H](C)NC(=O)[C@@H]2Cc3ccccc3CN2)cc1
Answer: b. CCCCOc1ccc(C(=O)NCC(=O)NCCOc2ccccc2)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#}
CCCCOc1ccc(C(=O)NCC(=O)NCCOc2ccccc2)cc1
CCCCOc1ccc(C(=O)NCC(=O)NCCOc2ccccc2)cc1
4-butoxy-N-[2-oxo-2-(2-phenoxyethylamino)ethyl]benzamide