Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 1.697\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: Cn1nc(-c2ccc(Cl)cc2)c2cc(C(=O)N3CCN(C(=O)c4ccco4)CC3)sc21
b: Cc1noc(C)c1C(=O)Nc1nnc(-c2ccccc2)s1
c: O=C(NCCN1CCOCC1)c1cn(CCc2ccccc2)nn1
d: c1cncc(-c2nnc(-c3ccco3)o2)c1
Answer: c. O=C(NCCN1CCOCC1)c1cn(CCc2ccccc2)nn1
{#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#}
O=C(NCCN1CCOCC1)c1cn(CCc2ccccc2)nn1
O=C(NCCN1CCOCC1)c1cn(CCc2ccccc2)nn1
N-(2-morpholin-4-ylethyl)-1-(2-phenylethyl)triazole-4-carboxamide