Task: Answer the multiple choice question.
Question: Which drug exhibits a 9.911\% 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: COCCNC(=O)C(c1ccncc1)N(C(=O)Cn1nnc2ccccc21)c1ccc(OC)cc1
b: CCOc1ccccc1NC(=O)CSc1ccc(-c2ccco2)nn1
c: Cc1cc(C)cc(NC(=O)CCCn2nc(C)c3c(C)n(-c4ccccc4)nc3c2=O)c1
d: O=C(CSc1ncn[nH]1)NC1CCCc2ccccc21
e: Cc1cccc(Nc2ncnc(N)n2)c1
Answer: b. CCOc1ccccc1NC(=O)CSc1ccc(-c2ccco2)nn1
{#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#}
CCOc1ccccc1NC(=O)CSc1ccc(-c2ccco2)nn1
CCOc1ccccc1NC(=O)CSc1ccc(-c2ccco2)nn1
N-(2-ethoxyphenyl)-2-[6-(furan-2-yl)pyridazin-3-yl]sulfanylacetamide