Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 4.483\% 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(Cn1cnc2ccccc21)Nc1ccc2c(c1)OCCCO2
b. O=C(CSc1nc2cc(Cl)ccc2s1)NC(=O)NCc1ccco1
c. CCOC(=O)c1c(C)[nH]c(C)c1C(=O)COc1ncnc2ccccc12
d. COC(=O)c1cc(S(=O)(=O)Nc2c(C)cccc2C)cn1C
Answer: a. O=C(Cn1cnc2ccccc21)Nc1ccc2c(c1)OCCCO2
{#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=C(Cn1cnc2ccccc21)Nc1ccc2c(c1)OCCCO2
O=C(Cn1cnc2ccccc21)Nc1ccc2c(c1)OCCCO2
2-(benzimidazol-1-yl)-N-(3,4-dihydro-2H-1,5-benzodioxepin-7-yl)acetamide