Task: Answer the multiple choice question.
Query: Which drug has a 12.455\% 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 additional words.
Options:
a. O=C(O)[C@@H]1Cc2ccccc2N1
b. CCOC(=O)c1oc2c(CN3CCCCC3C)c(O)ccc2c(=O)c1-c1ccc(OC)c(OC)c1
c. COc1ccccc1NC(=O)CCSc1nnc(-c2ccc(O)cc2)o1
d. CC(C)OCCCNC(=O)CCSc1ccc(Cl)cc1
Answer: a. O=C(O)[C@@H]1Cc2ccccc2N1
{#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#}
(2S)-2,3-dihydro-1H-indole-2-carboxylic acid