Problem statement: Answer the multiple choice question.
Query: Which drug has a 13.753\% human ether-à-go-go related gene (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] COc1ccc2cc(CO)c(Cl)nc2c1
[b] CCOc1ccc2ncc(S(=O)(=O)c3ccccc3)c(N3CCN(c4ccc(OC)cc4)CC3)c2c1
[c] COC(=O)CCCC(=O)Nc1ccc(Cl)c(Cl)c1
[d] [2H]C([2H])(CCOS(N)(=O)=O)c1ccccc1
Answer: a. COc1ccc2cc(CO)c(Cl)nc2c1
{#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#}
COc1ccc2cc(CO)c(Cl)nc2c1
COc1ccc2cc(CO)c(Cl)nc2c1
[C][O][C][=C][C][=C][C][=C][Branch1][Ring1][C][O][C][Branch1][C][Cl][=N][C][Ring1][=Branch2][=C][Ring1][=N]
(2-chloro-7-methoxyquinolin-3-yl)methanol