Task: Answer the multiple-choice question.
Question: Which compound has a 4.655\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. COCCNC(=O)[C@H](C)[C@H]1C[C@]1(C)[C@H](NC(=O)OCc1ccccc1)c1ccccc1
b. CCN(CC)C(=O)Cn1c(=O)c2ccccc2n2c(=S)sc(-c3cccc(C)c3)c12
c. CC(NC(=O)C1CCCN(S(=O)(=O)c2ccc(-n3cnnn3)cc2)C1)c1ccc(F)cc1
d. Cc1sc(N)c(C#N)c1C
e. C=CCN(c1ccccc1)S(=O)(=O)c1cccc(C(=O)N2CCCC2)c1
Answer: d. Cc1sc(N)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#}
Cc1sc(N)c(C#N)c1C
Cc1sc(N)c(C#N)c1C
2-amino-4,5-dimethylthiophene-3-carbonitrile