Task: Answer the MCQ question.
Query: Which drug has a 19.740\% 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(NCc1cccnc1)NC1(c2ccccc2)CC1
b.) Cc1cc(C)nc(SCc2ccc(C(=O)NN=C3C4CC5CC(C4)CC3C5)cc2)n1
Answer: a. O=C(NCc1cccnc1)NC1(c2ccccc2)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(NCc1cccnc1)NC1(c2ccccc2)CC1
O=C(NCc1cccnc1)NC1(c2ccccc2)CC1
1-(1-phenylcyclopropyl)-3-(pyridin-3-ylmethyl)urea