Task: Answer the MCQ question.
Query: Which compound has a 19.214\% hERG inhibition at a concentration of 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\Nc1ccccn1)c1nc2cc(Cl)ccc2o1
b Cc1ccc(O)c(-c2cc(C(F)(F)F)[nH]n2)c1
Answer: a. O=C/C(=C\Nc1ccccn1)c1nc2cc(Cl)ccc2o1
{#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\Nc1ccccn1)c1nc2cc(Cl)ccc2o1
O=C/C(=C\Nc1ccccn1)c1nc2cc(Cl)ccc2o1
(Z)-2-(5-chloro-1,3-benzoxazol-2-yl)-3-(pyridin-2-ylamino)prop-2-enal