Task: Answer the multiple choice question.
Question: Which compound has a 1.627\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] CCc1ccc(OCC(=O)NNC(=O)c2cc(S(=O)(=O)N3CCOCC3)ccc2N2CCCC2)cc1
[b] COc1ccc(CCNC(=O)c2cc(-c3cc(C)c(C)cc3O)n[nH]2)cc1OC
[c] COC(=O)CCSc1nc(N2CCOCC2)c2c(c1C#N)CC(C)(C)OC2
Answer: a. CCc1ccc(OCC(=O)NNC(=O)c2cc(S(=O)(=O)N3CCOCC3)ccc2N2CCCC2)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#}
CCc1ccc(OCC(=O)NNC(=O)c2cc(S(=O)(=O)N3CCOCC3)ccc2N2CCCC2)cc1
CCc1ccc(OCC(=O)NNC(=O)c2cc(S(=O)(=O)N3CCOCC3)ccc2N2CCCC2)cc1
N'-[2-(4-ethylphenoxy)acetyl]-5-morpholin-4-ylsulfonyl-2-pyrrolidin-1-ylbenzohydrazide