Problem statement: Answer the multiple-choice question.
Question: Which drug has a 6.503\% 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 additional words.
Options:
a) CCOC(=O)c1c(NC(=O)COC(=O)Cn2cnc3c2c(=O)n(C)c(=O)n3C)sc(C)c1CC
b) CC1CCCC(NC(=O)CCNC(=O)c2ccc([N+](=O)[O-])cc2)C1C
c) COc1ccc(-c2nc(=S)n3ccsc3n2)cc1OC
d) S=c1nc(-c2cccc(Br)c2)[nH][nH]1
Answer: a. CCOC(=O)c1c(NC(=O)COC(=O)Cn2cnc3c2c(=O)n(C)c(=O)n3C)sc(C)c1CC
{#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)c1c(NC(=O)COC(=O)Cn2cnc3c2c(=O)n(C)c(=O)n3C)sc(C)c1CC
CCOC(=O)c1c(NC(=O)COC(=O)Cn2cnc3c2c(=O)n(C)c(=O)n3C)sc(C)c1CC
ethyl 2-[[2-[2-(1,3-dimethyl-2,6-dioxopurin-7-yl)acetyl]oxyacetyl]amino]-4-ethyl-5-methylthiophene-3-carboxylate