Task: Answer the multiple-choice question.
Query: Which compound exhibits a 15.981\% 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) Cn1c(CN2CCOCC2)nnc1SCC(=O)NCCc1ccccc1
(b) COc1ccc(Nc2nnc(-c3ccc(O)cc3)c3ccccc23)cc1C(N)=O
(c) O=[N+]([O-])c1cccc(/C=N/N2CCN(Cc3ccc(Cl)cc3)CC2)c1
(d) CC(=O)O[C@H]1C2OC(=O)C(C)=C2[C@@H]2OC(=O)[C@]3(CCC4OC41C)OC23
Answer: d. CC(=O)O[C@H]1C2OC(=O)C(C)=C2[C@@H]2OC(=O)[C@]3(CCC4OC41C)OC23
{#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#}
[(1R,7S,13S)-6,11-dimethyl-10,16-dioxo-5,9,15,17-tetraoxapentacyclo[11.2.2.01,14.04,6.08,12]heptadec-11-en-7-yl] acetate