Task: Answer the MCQ question.
Question: Which drug exhibits a -5.831\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a CC1(C)CC(=O)CC(=Nc2ccc3[nH]c(=O)[nH]c3c2)C1
b CCC1CCCCN1C(=O)CSc1nc2c(cnn2-c2ccc(C)cc2)c(=O)[nH]1
c Cc1ccc(NC(=O)c2ccc(=O)[nH]c2)cc1S(=O)(=O)N1CCCCC1
d O=C(NCc1ccccc1)N1CCOCC1
Answer: d. O=C(NCc1ccccc1)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(NCc1ccccc1)N1CCOCC1
O=C(NCc1ccccc1)N1CCOCC1
N-benzylmorpholine-4-carboxamide