Problem statement: Answer the MCQ question.
Query: Which compound exhibits a -42.223\% 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. O=C(OCc1cc2ccccc2[nH]c1=O)c1ccco1
b. COc1ccc(CC(C)N2CCN(c3ccccc3OC)CC2)cc1OC
Answer: b. COc1ccc(CC(C)N2CCN(c3ccccc3OC)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(CC(C)N2CCN(c3ccccc3OC)CC2)cc1OC
COc1ccc(CC(C)N2CCN(c3ccccc3OC)CC2)cc1OC
1-[1-(3,4-dimethoxyphenyl)propan-2-yl]-4-(2-methoxyphenyl)piperazine