Task: Answer the MCQ question.
Query: Which compound has a 1.807\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) O=[N+]([O-])c1ccc(N2CCN(C(=S)Nc3ccc(F)cc3)CC2)cc1
b) CCO[C@H]1OC(C(=O)NCc2ccccc2)=C[C@@H](c2cn(C(C)=O)c3ccccc23)[C@@H]1CCCO
c) CCOc1ccc2nnc(-c3ccc(Br)cc3)n2n1
d) CCNC(=O)COC(=O)c1cc(S(=O)(=O)N2CCCc3ccccc32)ccc1Cl
Answer: c. CCOc1ccc2nnc(-c3ccc(Br)cc3)n2n1
{#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#}
CCOc1ccc2nnc(-c3ccc(Br)cc3)n2n1
CCOc1ccc2nnc(-c3ccc(Br)cc3)n2n1
3-(4-bromophenyl)-6-ethoxy-[1,2,4]triazolo[4,3-b]pyridazine