Task: Answer the multiple-choice question.
Query: Which drug exhibits a -21.686\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) Cc1ccc(-c2nnc(N3CCN(C(=O)c4ccco4)CC3)c3ccccc23)cc1
(b) Cc1nn2cnc3sc4c(c3c2nc1=O)CCCC4
(c) O=C(NCC1CCCO1)c1cccc(Oc2ccc([N+](=O)[O-])cc2Cl)c1
Answer: c. O=C(NCC1CCCO1)c1cccc(Oc2ccc([N+](=O)[O-])cc2Cl)c1
{#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#}
O=C(NCC1CCCO1)c1cccc(Oc2ccc([N+](=O)[O-])cc2Cl)c1
O=C(NCC1CCCO1)c1cccc(Oc2ccc([N+](=O)[O-])cc2Cl)c1
3-(2-chloro-4-nitrophenoxy)-N-(oxolan-2-ylmethyl)benzamide