Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 18.040% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] CCO[C@@H]1OC(C(=O)O)=C[C@H](c2ccc(Br)cc2)[C@H]1CCCO
[b] NCCNC(=O)Cc1ccc(NC(=O)Cc2ccc(Nc3ncnc4c3ncn4[C@@H]3O[C@H](CO)[C@@H](O)[C@H]3O)cc2)cc1
[c] CCC(=O)c1ccc(OCC(O)CN2CCN(C(c3ccccc3)c3ccccc3)CC2)cc1
[d] Cc1cc(C)n2ncc(C(=O)NCc3cccnc3)c2n1
[e] CC1CCN(C(=O)COC(=O)COc2ccccc2C#N)CC1
Answer: b. NCCNC(=O)Cc1ccc(NC(=O)Cc2ccc(Nc3ncnc4c3ncn4[C@@H]3O[C@H](CO)[C@@H](O)[C@H]3O)cc2)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
NCCNC(=O)Cc1ccc(NC(=O)Cc2ccc(Nc3ncnc4c3ncn4[C@@H]3O[C@H](CO)[C@@H](O)[C@H]3O)cc2)cc1
NCCNC(=O)Cc1ccc(NC(=O)Cc2ccc(Nc3ncnc4c3ncn4[C@@H]3O[C@H](CO)[C@@H](O)[C@H]3O)cc2)cc1
N-(2-aminoethyl)-2-[4-[[2-[4-[[9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]purin-6-yl]amino]phenyl]acetyl]amino]phenyl]acetamide