Task: Answer the multiple-choice question.
Query: Which compound has a 2.205\% 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: O=C(Nc1cc(=O)c2ccccc2o1)N1CCOCC1
b: CCOC(=O)N1CCN(CCC(=O)Nc2ccc(OC)cc2)CC1
c: O=c1cccc(-c2ccccc2)[nH]1
d: COc1ccc(OC)c2c(C)cc(N3CCN(C(=O)c4ccc(Cl)cc4)CC3)nc12
Answer: a. O=C(Nc1cc(=O)c2ccccc2o1)N1CCOCC1
{#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(Nc1cc(=O)c2ccccc2o1)N1CCOCC1
O=C(Nc1cc(=O)c2ccccc2o1)N1CCOCC1
N-(4-oxochromen-2-yl)morpholine-4-carboxamide