Task: Answer the MCQ question.
Query: Which drug exhibits a 18.711\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] COC(=O)c1ccc(NS(=O)(=O)c2cccc3cccnc23)cc1
[b] COc1ccc(-c2nnc(CSc3nc4ccccc4c(=O)n3C)o2)cc1OC
[c] Cc1nc(CSc2nc3[nH]ncc3c(=O)n2-c2ccccc2)cs1
Answer: a. COC(=O)c1ccc(NS(=O)(=O)c2cccc3cccnc23)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)c1ccc(NS(=O)(=O)c2cccc3cccnc23)cc1
COC(=O)c1ccc(NS(=O)(=O)c2cccc3cccnc23)cc1
methyl 4-(quinolin-8-ylsulfonylamino)benzoate