Task: Answer the MCQ question.
Question: Which drug has a 23.952\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. CC[C@H](C)[C@H](NC(N)=O)C(=O)Nc1ccc(C)cc1
b. COc1ccc(-c2nn(-c3ccccc3)cc2C(=O)O)cc1OC
c. CCn1c(SCC(=O)Nc2ccc(-c3nc4ccc(C)cc4s3)cc2)nnc1-c1ccccc1
d. CCOC(=O)c1sc(NC(=O)c2cccnc2)c(C#N)c1C
Answer: d. CCOC(=O)c1sc(NC(=O)c2cccnc2)c(C#N)c1C
{#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)c1sc(NC(=O)c2cccnc2)c(C#N)c1C
CCOC(=O)c1sc(NC(=O)c2cccnc2)c(C#N)c1C
ethyl 4-cyano-3-methyl-5-(pyridine-3-carbonylamino)thiophene-2-carboxylate