Task: Answer the MCQ question.
Query: Which compound has a -2.609\% 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 additional words.
Options:
a) COc1ccc(CCNC(C)CCc2ccc(OC)cc2)cc1
b) COc1ccc(-c2nn(CCC#N)cc2C(=O)Nc2ccccn2)cc1OC
Answer: a. COc1ccc(CCNC(C)CCc2ccc(OC)cc2)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#}
COc1ccc(CCNC(C)CCc2ccc(OC)cc2)cc1
COc1ccc(CCNC(C)CCc2ccc(OC)cc2)cc1
4-(4-methoxyphenyl)-N-[2-(4-methoxyphenyl)ethyl]butan-2-amine