Task: Answer the multiple-choice question.
Query: Which drug exhibits a -0.622\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) Nc1nc(SCc2ccc3c(c2)OCO3)n[nH]1
b.) CCN(CC)C(=O)N1CCN(c2c([N+](=O)[O-])c(=O)oc3ccccc23)CC1
Answer: b. CCN(CC)C(=O)N1CCN(c2c([N+](=O)[O-])c(=O)oc3ccccc23)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#}
CCN(CC)C(=O)N1CCN(c2c([N+](=O)[O-])c(=O)oc3ccccc23)CC1
CCN(CC)C(=O)N1CCN(c2c([N+](=O)[O-])c(=O)oc3ccccc23)CC1
N,N-diethyl-4-(3-nitro-2-oxochromen-4-yl)piperazine-1-carboxamide