Task: Answer the multiple-choice question.
Query: Which compound has a -10.420\% 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] COC(=O)c1cccnc1N1CCN(c2ccccc2F)CC1
[b] O=C(c1cc2ccccc2o1)N1CCN(c2cccc(Cl)c2)CC1
[c] COc1ccc(C(=O)NCCCNC(=O)c2cc3ccccc3[nH]2)cc1OC
[d] O=C(NCc1ccccc1)C1=C[C@H](c2ccc(Br)cc2)C[C@H](OCCCCO)O1
Answer: a. COC(=O)c1cccnc1N1CCN(c2ccccc2F)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#}
COC(=O)c1cccnc1N1CCN(c2ccccc2F)CC1
COC(=O)c1cccnc1N1CCN(c2ccccc2F)CC1
methyl 2-[4-(2-fluorophenyl)piperazin-1-yl]pyridine-3-carboxylate