Task: Answer the MCQ question.
Query: Which drug exhibits a 19.715\% human ether-à-go-go related gene (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 other words.
Options:
(a) COCCCN1C(=O)CC(C(=O)OC)=C1C
(b) CCC(=O)Nc1ccc(C=C(C(C)=O)C(C)=O)cc1
(c) Cc1nc2cc(NC(=O)NCc3ccco3)ccc2o1
(d) O=C(c1cc2cc([N+](=O)[O-])ccc2oc1=O)N1CCN(C2CCCCC2)CC1
(e) CCOc1ccccc1C1CC(c2ccc(Br)cc2)Nc2nc(N)nn21
Answer: b. CCC(=O)Nc1ccc(C=C(C(C)=O)C(C)=O)cc1
{#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#}
CCC(=O)Nc1ccc(C=C(C(C)=O)C(C)=O)cc1
CCC(=O)Nc1ccc(C=C(C(C)=O)C(C)=O)cc1
N-[4-(2-acetyl-3-oxobut-1-enyl)phenyl]propanamide