Task: Answer the MCQ question.
Question: Which drug exhibits a -2.646\% 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 other words.
Options:
[a] O=C(CCC(=O)NNc1nc2ccccc2c2nc(-c3ccccc3)nn12)NCCCN1CCOCC1
[b] Cc1cccnc1-n1c(C)nc2ccccc2c1=O
[c] COc1cccc(NC(=O)C2CCC(CNC(=O)[C@@H]3Cc4ccccc4CN3)CC2)c1
[d] CCOC(=O)c1c(C)c(C(=O)NCCOC)c(C)n1CC
Answer: d. CCOC(=O)c1c(C)c(C(=O)NCCOC)c(C)n1CC
{#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#}
CCOC(=O)c1c(C)c(C(=O)NCCOC)c(C)n1CC
CCOC(=O)c1c(C)c(C(=O)NCCOC)c(C)n1CC
ethyl 1-ethyl-4-(2-methoxyethylcarbamoyl)-3,5-dimethylpyrrole-2-carboxylate