Task: Answer the multiple choice question.
Question: Which compound has a 18.978\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CNc1nc(C23CC4CC(CC(C4)C2)C3)cs1
b: COC(=O)CSc1nnc(-c2cccnc2)n1-c1cccc(OC)c1
c: CCN(CC)C(=O)Cn1c(=O)n(-c2ccccc2)c(=O)c2c3c(sc21)CCC3
d: O=C(/C=C/NNC(=O)c1ccccc1O)c1ccccc1
Answer: c. CCN(CC)C(=O)Cn1c(=O)n(-c2ccccc2)c(=O)c2c3c(sc21)CCC3
{#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#}
CCN(CC)C(=O)Cn1c(=O)n(-c2ccccc2)c(=O)c2c3c(sc21)CCC3
CCN(CC)C(=O)Cn1c(=O)n(-c2ccccc2)c(=O)c2c3c(sc21)CCC3
2-(10,12-dioxo-11-phenyl-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6)-dien-9-yl)-N,N-diethylacetamide