Task: Answer the MCQ question.
Question: Which compound exhibits a 14.236\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a CCCCn1c(=O)nc2n(-c3ccc(C)cc3)c3ccccc3cc-2c1=O
b NC(=O)COC(=O)CC12CC3CC(CC(Br)(C3)C1)C2
c CC(C)CNC(=S)N1CCN(Cc2ccc3c(c2)OCO3)CC1.O=C(O)C(=O)O
d C=CCN1c2ccccc2[C@]23C[C@@H](C(=O)OC)N(C(=O)NCCC)C2=NC(C(=O)OC)=C(C(=O)OC)[C@H]13
Answer: b. NC(=O)COC(=O)CC12CC3CC(CC(Br)(C3)C1)C2
{#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#}
NC(=O)COC(=O)CC12CC3CC(CC(Br)(C3)C1)C2
NC(=O)COC(=O)CC12CC3CC(CC(Br)(C3)C1)C2
(2-amino-2-oxoethyl) 2-(3-bromo-1-adamantyl)acetate