Task: Answer the multiple choice question.
Question: Which drug exhibits a 12.969\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] C#CCOCCOCCOCCNc1nc(N2CCN(C(=O)[C@H]([C@@H](C)CC)n3cc([C@@H](N)Cc4ccc(O)cc4)nn3)CC2)nc(N2CCN(C(=O)[C@H]([C@@H](C)CC)n3cc([C@@H](N)Cc4ccc(O)cc4)nn3)CC2)n1.Cl
[b] Cc1ccc2cccc(S(=O)(=O)N3CCN(c4ccccc4F)CC3)c2n1
[c] O=C(c1cc(Br)ccc1Cl)N1CCN(c2ncccn2)CC1
[d] Cn1cccc1/C=N/n1cnnc1
[e] CCCCCOc1ccc(NC(=O)C(=O)NCCC2=CCCCC2)cc1
Answer: c. O=C(c1cc(Br)ccc1Cl)N1CCN(c2ncccn2)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#}
O=C(c1cc(Br)ccc1Cl)N1CCN(c2ncccn2)CC1
O=C(c1cc(Br)ccc1Cl)N1CCN(c2ncccn2)CC1
(5-bromo-2-chlorophenyl)-(4-pyrimidin-2-ylpiperazin-1-yl)methanone