Task: Answer the multiple-choice question.
Question: Which drug exhibits a 11.640\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. COc1c2ccoc2nc2c(OC)c(OC[C@@H](O)C(C)(C)O)ccc12
b. CCOC(=O)C1CCN(S(=O)(=O)c2ccc(OC)c(Cl)c2Cl)CC1
c. CCOc1ccc(C(=O)NCC(=O)NCCCSc2ccccc2)cc1OCC
d. CCC(C)c1ccccc1N1CC(C(=O)N2CCN(C(=O)c3ccco3)CC2)CC1=O
Answer: a. COc1c2ccoc2nc2c(OC)c(OC[C@@H](O)C(C)(C)O)ccc12
{#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#}
COc1c2ccoc2nc2c(OC)c(OC[C@@H](O)C(C)(C)O)ccc12
COc1c2ccoc2nc2c(OC)c(OC[C@@H](O)C(C)(C)O)ccc12
(2R)-1-(4,8-dimethoxyfuro[2,3-b]quinolin-7-yl)oxy-3-methylbutane-2,3-diol