Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 3.180\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a: CCCS(=O)(=O)c1nc(S(=O)(=O)c2ccc(C)cc2)c(NCc2ccc3c(c2)OCO3)s1
b: CN(CC(=O)Nc1cccc(F)c1)C(=O)Cn1cnc2c1c(=O)n(C)c(=O)n2C
c: CCOc1ccc(Cl)cc1CNc1nnnn1CC
d: CCOC(=O)c1cc(C(=O)OCC)c(=O)[nH]c1SCc1ccccc1
e: Cc1ccc(NC(=S)N2CCCCC2CO)cc1C
Answer: b. CN(CC(=O)Nc1cccc(F)c1)C(=O)Cn1cnc2c1c(=O)n(C)c(=O)n2C
{#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#}
CN(CC(=O)Nc1cccc(F)c1)C(=O)Cn1cnc2c1c(=O)n(C)c(=O)n2C
CN(CC(=O)Nc1cccc(F)c1)C(=O)Cn1cnc2c1c(=O)n(C)c(=O)n2C
2-(1,3-dimethyl-2,6-dioxopurin-7-yl)-N-[2-(3-fluoroanilino)-2-oxoethyl]-N-methylacetamide