Problem statement: Answer the multiple-choice question.
Query: Which drug has a -3.649\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) Nc1c(Cl)ncnc1N/N=C/c1ccccn1
(b) Cn1c(/C=C/N2CCOCC2)c(C(=O)c2ccc(Br)cc2)c(=O)n(C)c1=O
(c) CC(=O)Nc1ccc(S(=O)(=O)N2CCN(c3cccc(C)c3C)CC2)cc1
(d) Cc1ccc(C(=O)O)cc1S(=O)(=O)N1CCSCC1
(e) CC(C)CNC(=O)c1cccc(NC(=O)C2CCCO2)c1
Answer: a. Nc1c(Cl)ncnc1N/N=C/c1ccccn1
{#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#}
6-chloro-4-N-[(E)-pyridin-2-ylmethylideneamino]pyrimidine-4,5-diamine