Task: Answer the MCQ question.
Query: Which drug exhibits a 9.090\% 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 CCN(CC)S(=O)(=O)c1ccc2oc(C(=O)Nc3ccc(OC)cc3OC)c(C)c2c1
b CCCCCOc1ccc2oc(=O)c3c(c2c1)CCCN3C(=O)CN1CCCC(C(=O)OCC)C1
c CNC(=O)C(=O)NCCN1CCN(C(=O)c2ccc([N+](=O)[O-])cc2)CC1
d CCC(NC(=O)c1ccccc1NC(=O)c1ccccc1)C(=O)NNC(=O)CSc1nc2ccccc2o1
Answer: c. CNC(=O)C(=O)NCCN1CCN(C(=O)c2ccc([N+](=O)[O-])cc2)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#}
CNC(=O)C(=O)NCCN1CCN(C(=O)c2ccc([N+](=O)[O-])cc2)CC1
CNC(=O)C(=O)NCCN1CCN(C(=O)c2ccc([N+](=O)[O-])cc2)CC1
N-methyl-N'-[2-[4-(4-nitrobenzoyl)piperazin-1-yl]ethyl]oxamide