Task: Answer the MCQ question.
Question: Which drug has a -2.517\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CCN(CC)S(=O)(=O)c1ccc(Cl)c(C(=O)Nc2ccc(Cl)cc2[N+](=O)[O-])c1
b. CCC(=O)Nc1ccc2oc(-c3cccc(C)c3)nc2c1
Answer: b. CCC(=O)Nc1ccc2oc(-c3cccc(C)c3)nc2c1
{#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#}
CCC(=O)Nc1ccc2oc(-c3cccc(C)c3)nc2c1
CCC(=O)Nc1ccc2oc(-c3cccc(C)c3)nc2c1
N-[2-(3-methylphenyl)-1,3-benzoxazol-5-yl]propanamide