Task: Answer the multiple choice question.
Question: Which drug exhibits a -1.680\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] CCOC(=O)N1CCC(c2cc(=O)n3[nH]c(-c4ccccc4)cc3n2)CC1
[b] CCOC(=O)COc1ccc(S(=O)(=O)Nc2cccc(SC)c2)cc1
[c] OCCN1CCN(Cc2cc(Cl)c3cccnc3c2O)CC1
Answer: b. CCOC(=O)COc1ccc(S(=O)(=O)Nc2cccc(SC)c2)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#}
CCOC(=O)COc1ccc(S(=O)(=O)Nc2cccc(SC)c2)cc1
CCOC(=O)COc1ccc(S(=O)(=O)Nc2cccc(SC)c2)cc1
ethyl2-[4-[(3-methylsulfanylphenyl)sulfamoyl]phenoxy]acetate