Task: Answer the MCQ question.
Question: Which compound has a 18.106\% 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: COc1cc(OC)c(NC(=O)c2sc3ncn(CC(=O)N4CCN(c5ccccn5)CC4)c(=O)c3c2C)cc1Cl
b: O=C(Nc1ccc(N2CCOCC2)c(Cl)c1)c1ccccc1Cl
Answer: b. O=C(Nc1ccc(N2CCOCC2)c(Cl)c1)c1ccccc1Cl
{#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#}
O=C(Nc1ccc(N2CCOCC2)c(Cl)c1)c1ccccc1Cl
O=C(Nc1ccc(N2CCOCC2)c(Cl)c1)c1ccccc1Cl
2-chloro-N-(3-chloro-4-morpholin-4-ylphenyl)benzamide