Task: Answer the multiple-choice question.
Question: Which drug exhibits a -0.346\% human ether-à-go-go related gene (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 O=C(CN1C(=O)C(=O)c2ccccc21)NC1CCCCC1
b COc1ccc(CCNc2ccncn2)cc1OC.Cl
c COc1ccccc1N1CCN(C(=O)C(Sc2ccccc2)c2ccccc2)CC1
d Cc1ccccc1C(=O)Nc1ccnn1C1CCN(Cc2cccnc2)CC1
Answer: b. COc1ccc(CCNc2ccncn2)cc1OC.Cl
{#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(CCNc2ccncn2)cc1OC.Cl
COc1ccc(CCNc2ccncn2)cc1OC.Cl
N-[2-(3,4-dimethoxyphenyl)ethyl]pyrimidin-4-amine;hydrochloride