Task: Answer the MCQ question.
Question: Which compound exhibits a -8.673% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] CCCCN(CC)CCNC(=O)c1[nH]c(C)c(C(C)=O)c1C
[b] Cc1ccc(CNC(=O)CCS(=O)(=O)c2cccc3nonc23)cc1
[c] O=C(O)c1ccc(CNC(=O)c2ccccc2NC(=O)c2cccc([N+](=O)[O-])c2)cc1
[d] Cc1ccc(S(=O)(=O)N2CCN(C(=O)Cc3ccsc3)CC2)c(C)c1
Answer: a. CCCCN(CC)CCNC(=O)c1[nH]c(C)c(C(C)=O)c1C
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCCN(CC)CCNC(=O)c1[nH]c(C)c(C(C)=O)c1C
CCCCN(CC)CCNC(=O)c1[nH]c(C)c(C(C)=O)c1C
4-acetyl-N-[2-[butyl(ethyl)amino]ethyl]-3,5-dimethyl-1H-pyrrole-2-carboxamide