Task: Answer the multiple-choice question.
Question: Which compound has a -3.370\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: CNc1nc2cc([N+](=O)[O-])c([N+](=O)[O-])cc2nc1NC
b: CCNc1nc(NCC)nc(C(=O)OCCO)n1
c: C=C(C)CSc1nc2nc(C)cc(C)n2n1
Answer: b. CCNc1nc(NCC)nc(C(=O)OCCO)n1
{#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#}
CCNc1nc(NCC)nc(C(=O)OCCO)n1
CCNc1nc(NCC)nc(C(=O)OCCO)n1
2-hydroxyethyl 4,6-bis(ethylamino)-1,3,5-triazine-2-carboxylate