Task: Answer the multiple choice question.
Query: Which drug has a 19.989\% 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 other words.
Options:
a.) CN1CCN(S(=O)(=O)c2cccc(C(=O)N(C)CC(=O)Nc3ccc(F)c(F)c3F)c2)CC1
b.) COc1ccc(CCNC(=O)C2CCCN2C(=O)NC2CCCCC2)cc1OC
c.) COc1ccc(C(=O)n2nc(C#N)c(C#N)c2N)cc1
d.) CCOC(=O)N1CCN(C(=O)CSCc2ccc(C)cc2)CC1
e.) O=C(CNC(=O)[C@@H]1Cc2ccccc2CN1)NC1CCCC1
Answer: b. COc1ccc(CCNC(=O)C2CCCN2C(=O)NC2CCCCC2)cc1OC
{#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(CCNC(=O)C2CCCN2C(=O)NC2CCCCC2)cc1OC
COc1ccc(CCNC(=O)C2CCCN2C(=O)NC2CCCCC2)cc1OC
1-N-cyclohexyl-2-N-[2-(3,4-dimethoxyphenyl)ethyl]pyrrolidine-1,2-dicarboxamide