Task: Answer the multiple choice question.
Question: Which compound exhibits a 16.211\% 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] CCn1c(=O)c(C(=O)NNC(=O)c2cccc(Cl)c2)c(O)c2ccccc21
[b] Cc1cccc(/C=C/c2onc(C)c2[N+](=O)[O-])n1
[c] COc1cc(NC(=O)C2CCN(S(=O)(=O)c3ccc4c(c3)CC(C)N4C(C)=O)CC2)cc(OC)c1OC
[d] COc1ccc2[nH]c(=O)c(CNC3CCCCC3)cc2c1
Answer: a. CCn1c(=O)c(C(=O)NNC(=O)c2cccc(Cl)c2)c(O)c2ccccc21
{#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#}
CCn1c(=O)c(C(=O)NNC(=O)c2cccc(Cl)c2)c(O)c2ccccc21
CCn1c(=O)c(C(=O)NNC(=O)c2cccc(Cl)c2)c(O)c2ccccc21
N'-(3-chlorobenzoyl)-1-ethyl-4-hydroxy-2-oxoquinoline-3-carbohydrazide