Task: Answer the multiple choice question.
Question: Which compound has a 12.945\% 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. Nc1ccc2nc(N3CCOCC3)sc2c1
b. COc1ccc(OC)c(S(=O)(=O)N(C)CC(=O)N2CCOCC2)c1
c. CCCCN(C)Cc1c(C)[nH]c2ccccc2c1=O
d. Fc1ccc(CSc2ccc(-c3ccc4c(c3)OCO4)nn2)cc1
Answer: b. COc1ccc(OC)c(S(=O)(=O)N(C)CC(=O)N2CCOCC2)c1
{#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#}
COc1ccc(OC)c(S(=O)(=O)N(C)CC(=O)N2CCOCC2)c1
COc1ccc(OC)c(S(=O)(=O)N(C)CC(=O)N2CCOCC2)c1
2,5-dimethoxy-N-methyl-N-(2-morpholin-4-yl-2-oxoethyl)benzenesulfonamide