Task: Answer the MCQ question.
Question: Which compound exhibits a 16.251\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) NNC(=O)C1COc2cc3ccccc3cc2O1
(b) CCCNC(=O)OC[C@H]1O[C@H](CCO/N=C/[C@@H](OC)[C@H](C)/C=C/CC(=O)OC)C=C[C@@H]1Oc1ccc(OC)cc1
(c) Cc1nc(C)n(CC(O)COc2ccc3cc(Br)ccc3c2)n1
(d) Cc1cc2oc(C(=O)NCc3ccc4c(c3)OCO4)c(C)c2cc1C
Answer: a. NNC(=O)C1COc2cc3ccccc3cc2O1
{#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#}
NNC(=O)C1COc2cc3ccccc3cc2O1
NNC(=O)C1COc2cc3ccccc3cc2O1
2,3-dihydrobenzo[g][1,4]benzodioxine-3-carbohydrazide