Task: Answer the multiple-choice question.
Question: Which compound has a 17.346\% 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 other words.
Options:
(a) CCn1nnnc1SCC(=O)Nc1ccc2c(c1)OCCO2
(b) CCOc1ccc(Cn2nnc(C(=O)NCCc3ccccc3)c2N)cc1
(c) COc1ccc(NC(=O)c2cccs2)cc1OC
(d) O=c1c2ccccc2c(-c2ccccc2)nn1Cc1ccccc1
Answer: d. O=c1c2ccccc2c(-c2ccccc2)nn1Cc1ccccc1
{#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#}
O=c1c2ccccc2c(-c2ccccc2)nn1Cc1ccccc1
O=c1c2ccccc2c(-c2ccccc2)nn1Cc1ccccc1
2-benzyl-4-phenylphthalazin-1-one