Problem statement: Answer the MCQ question.
Question: Which compound has a 17.024\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: COCc1nc2oc3ccc(C)cc3c(=O)c2cc1C(=O)OC
b: Cc1cccc(NC(=O)c2ccc(CN3CCc4ccccc4C3)cc2)c1C
c: CS(=O)(=O)c1ccc(Cl)c(NC(=O)COC(=O)Cc2c[nH]c3ccccc23)c1
d: Cc1nc2cc(NS(=O)(=O)c3ccc(Br)cc3)ccc2n1C
Answer: a. COCc1nc2oc3ccc(C)cc3c(=O)c2cc1C(=O)OC
{#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#}
COCc1nc2oc3ccc(C)cc3c(=O)c2cc1C(=O)OC
COCc1nc2oc3ccc(C)cc3c(=O)c2cc1C(=O)OC
methyl 2-(methoxymethyl)-7-methyl-5-oxochromeno[2,3-b]pyridine-3-carboxylate