Task: Answer the MCQ question.
Query: Which drug exhibits a 18.007\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Cc1cc(NC(=O)COC(=O)Cn2c(C)csc2=O)ccc1Br
(b) O=C(O)c1ccc(N2N=C(c3ccccc3)CC2c2ccccc2)cc1
Answer: b. O=C(O)c1ccc(N2N=C(c3ccccc3)CC2c2ccccc2)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(O)c1ccc(N2N=C(c3ccccc3)CC2c2ccccc2)cc1
O=C(O)c1ccc(N2N=C(c3ccccc3)CC2c2ccccc2)cc1
4-(3,5-diphenyl-3,4-dihydropyrazol-2-yl)benzoicacid