Task: Answer the MCQ question.
Question: Which drug has a -25.375\% 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] O=C(/C=C/c1ccccc1)Nc1ccc(CN2CCOCC2)cc1
[b] CCC(C)(C)NC(=O)/C=C/c1cc(OC)c(OC)c(S(=O)(=O)N2CCc3ccccc32)c1
Answer: a. O=C(/C=C/c1ccccc1)Nc1ccc(CN2CCOCC2)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#}
O=C(/C=C/c1ccccc1)Nc1ccc(CN2CCOCC2)cc1
O=C(/C=C/c1ccccc1)Nc1ccc(CN2CCOCC2)cc1
(E)-N-[4-(morpholin-4-ylmethyl)phenyl]-3-phenylprop-2-enamide