Problem statement: Answer the multiple choice question.
Question: Which drug has a 5.556\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a Cc1ccc(C)c(Cn2nnc3c(=O)[nH]c(C4CCCN(C(=O)CC(C)C)C4)nc32)c1
b Oc1ccccc1N=Cc1ccc[nH]1
c Cl.O=C(O)Cc1c(-c2ccccc2)nc2ccc([N+](=O)[O-])cc2c1-c1ccccc1
d O=[N+]([O-])c1ccc(-[n+]2ccc3ccccc3c2)c([N+](=O)[O-])c1.[Cl-]
Answer: b. Oc1ccccc1N=Cc1ccc[nH]1
{#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#}
Oc1ccccc1N=Cc1ccc[nH]1
Oc1ccccc1N=Cc1ccc[nH]1
2-(1H-pyrrol-2-ylmethylideneamino)phenol