Task: Answer the multiple choice question.
Query: Which compound exhibits a 3.969\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a COc1ccc(CCNC(=O)CCCOc2ccc(Cl)cc2)cc1OC
b CCOc1ccccc1N(C(=O)Nc1ccc(Cl)cc1)C1=NC(C)CS1
Answer: a. COc1ccc(CCNC(=O)CCCOc2ccc(Cl)cc2)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)CCCOc2ccc(Cl)cc2)cc1OC
COc1ccc(CCNC(=O)CCCOc2ccc(Cl)cc2)cc1OC
4-(4-chlorophenoxy)-N-[2-(4,5-dimethoxyphenyl)ethyl]butanamide