Task: Answer the MCQ question.
Question: Which compound has a 4.218\% 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] COc1ccccc1NC(=O)Cn1c(C)cc(=O)c2cccc(OC)c21
[b] CN1OC(COC(=O)c2ccc(Cl)cc2)CC1c1ccccc1
[c] CCCCOC(=O)Nc1ccc(OC)cc1S(=O)(=O)N1CCOCC1
[d] COc1ccc(C2/C(=C(/O)c3ccc(OC(C)C)cc3)C(=O)C(=O)N2CCCN2CCOCC2)cc1
Answer: a. COc1ccccc1NC(=O)Cn1c(C)cc(=O)c2cccc(OC)c21
{#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#}
COc1ccccc1NC(=O)Cn1c(C)cc(=O)c2cccc(OC)c21
COc1ccccc1NC(=O)Cn1c(C)cc(=O)c2cccc(OC)c21
[C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][C][N][C][Branch1][C][C][=C][C][=Branch1][C][=O][C][=C][C][=C][C][Branch1][Ring1][O][C][=C][Ring1][Branch2][Ring1][=C]
2-(8-methoxy-2-methyl-4-oxoquinolin-1-yl)-N-(2-methoxyphenyl)acetamide