Task: Answer the multiple-choice question.
Query: Which compound exhibits a 18.906\% 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 other words.
Options:
a.) COc1ccc(-c2ccc(SCC(=O)Nc3nccs3)nn2)cc1OC
b.) O=C(C/C=N/OCc1ccc(Cl)cc1)c1cnc(-c2ccccc2)s1
c.) Cc1ccc(CN(C(=O)Cn2nnc3ccccc32)C(C(=O)NCc2ccco2)c2cccs2)cc1
d.) Cc1ccc(S(=O)(=O)c2nc(NN(C)C)sc2Cl)cc1
Answer: a. COc1ccc(-c2ccc(SCC(=O)Nc3nccs3)nn2)cc1OC
{#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#}
COc1ccc(-c2ccc(SCC(=O)Nc3nccs3)nn2)cc1OC
COc1ccc(-c2ccc(SCC(=O)Nc3nccs3)nn2)cc1OC
2-[6-(3,4-dimethoxyphenyl)pyridazin-3-yl]sulfanyl-N-(1,3-thiazol-2-yl)acetamide