Task: Answer the multiple-choice question.
Question: Which drug exhibits a -1.445% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a CCc1ccccc1OCCCCCNCCO
b O=C(CSc1ccc2nnc(-c3ccccn3)n2n1)NCc1ccc2c(c1)OCO2
c CC(=O)O[C@H]1C2OC(=O)C(C)=C2[C@@H]2OC(=O)[C@]3(CCC4OC41C)OC23
d c1ccc2nc(N3CCOCC3)cnc2c1
Answer: d. c1ccc2nc(N3CCOCC3)cnc2c1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
c1ccc2nc(N3CCOCC3)cnc2c1
c1ccc2nc(N3CCOCC3)cnc2c1
4-quinoxalin-2-ylmorpholine