Problem statement: Answer the MCQ question.
Question: Which drug has a 1.275\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CN(Cc1ccccc1)C(NC(=O)c1ccccc1)C(Cl)(Cl)Cl
b: O=C(CN1CCOCC1)Nc1ccc(Oc2ccccc2)cc1
Answer: b. O=C(CN1CCOCC1)Nc1ccc(Oc2ccccc2)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#}
O=C(CN1CCOCC1)Nc1ccc(Oc2ccccc2)cc1
O=C(CN1CCOCC1)Nc1ccc(Oc2ccccc2)cc1
[O][=C][Branch1][#Branch2][C][N][C][C][O][C][C][Ring1][=Branch1][N][C][=C][C][=C][Branch1][#Branch2][O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][Ring1][=N]
2-morpholin-4-yl-N-(4-phenoxyphenyl)acetamide