Problem statement: Answer the MCQ question.
Question: Which drug has a 8.418\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
[a] O=C(O)c1ccc(NS(=O)(=O)c2ccc(N3CCCC3)c([N+](=O)[O-])c2)cc1
[b] CCOc1ccc(S(=O)(=O)N2CCCC(C(=O)NCCN3CCOCC3)C2)cc1Cl
[c] CCCC(=O)Nc1ccc2c(c1)nc(CCN1CCCCC1)n2C
[d] C#CCNC(=O)C1=C[C@@H](c2ccc3c(c2)OCO3)C[C@@H](OCc2ccc(CO)cc2)O1
[e] O=S(=O)(NCc1ccc2c(c1)OCO2)c1cccc(F)c1
Answer: c. CCCC(=O)Nc1ccc2c(c1)nc(CCN1CCCCC1)n2C
{#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#}
CCCC(=O)Nc1ccc2c(c1)nc(CCN1CCCCC1)n2C
CCCC(=O)Nc1ccc2c(c1)nc(CCN1CCCCC1)n2C
N-[1-methyl-2-(2-piperidin-1-ylethyl)benzimidazol-5-yl]butanamide