Task: Answer the multiple choice question.
Query: Which compound exhibits a 15.985\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. c1ccc2c(c1)cnc1ccccc12
b. CCOc1ccc(C(Nc2cccnc2)c2cc(Cl)c3cccnc3c2O)cc1
Answer: b. CCOc1ccc(C(Nc2cccnc2)c2cc(Cl)c3cccnc3c2O)cc1
{#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#}
CCOc1ccc(C(Nc2cccnc2)c2cc(Cl)c3cccnc3c2O)cc1
CCOc1ccc(C(Nc2cccnc2)c2cc(Cl)c3cccnc3c2O)cc1
[C][C][O][C][=C][C][=C][Branch2][Ring1][#C][C][Branch1][#Branch2][N][C][=C][C][=C][N][=C][Ring1][=Branch1][C][=C][C][Branch1][C][Cl][=C][C][=C][C][=N][C][Ring1][=Branch1][=C][Ring1][O][O][C][=C][Ring2][Ring1][#Branch2]
5-chloro-7-[(4-ethoxyphenyl)-(pyridin-3-ylamino)methyl]quinolin-8-ol