Task: Answer the MCQ question.
Question: Which drug exhibits a 4.349\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
[a] O=C1c2ccccc2C(=O)N1CCCCN(C(=O)c1ccc([N+](=O)[O-])cc1)c1ccc(Cl)cc1
[b] COc1ccccc1CNC(=O)C1COc2ccccc2O1
[c] CSc1ncc(C(=O)Nc2cccc(S(N)(=O)=O)c2)n1-c1ccccc1
[d] COCCNc1nc2nonc2nc1N(C)Cc1ccc(C)cc1
[e] COc1ccc(NS(=O)(=O)c2cccc(C(=O)OCC(=O)N3CCN(c4ccc(OC)cc4)CC3)c2)cc1
Answer: d. COCCNc1nc2nonc2nc1N(C)Cc1ccc(C)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#}
COCCNc1nc2nonc2nc1N(C)Cc1ccc(C)cc1
COCCNc1nc2nonc2nc1N(C)Cc1ccc(C)cc1
6-N-(2-methoxyethyl)-5-N-methyl-5-N-[(4-methylphenyl)methyl]-[1,2,5]oxadiazolo[3,4-b]pyrazine-5,6-diamine