Task: Answer the multiple choice question.
Question: Which drug exhibits a 13.168\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CCN(CC)S(=O)(=O)c1cc(C(=O)Oc2cccc(-c3cnc4ccccc4n3)c2)ccc1Br
b CCCCOc1ccc(C(C)NC(=O)CCS(=O)(=O)Cc2ccccc2Cl)cc1
Answer: b. CCCCOc1ccc(C(C)NC(=O)CCS(=O)(=O)Cc2ccccc2Cl)cc1
{#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#}
CCCCOc1ccc(C(C)NC(=O)CCS(=O)(=O)Cc2ccccc2Cl)cc1
CCCCOc1ccc(C(C)NC(=O)CCS(=O)(=O)Cc2ccccc2Cl)cc1
N-[1-(4-butoxyphenyl)ethyl]-3-[(2-chlorophenyl)methylsulfonyl]propanamide