Task: Answer the MCQ question.
Question: Which drug exhibits a -6.136\% 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(c1sc2ccccc2c1Cl)N1CCN(c2ccccc2F)CC1
b: CCN(CC)CCNC(=O)c1ccc(NC(=O)c2ccccc2-c2ccc(C(F)(F)F)cc2)cc1
Answer: a. O=C(c1sc2ccccc2c1Cl)N1CCN(c2ccccc2F)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(c1sc2ccccc2c1Cl)N1CCN(c2ccccc2F)CC1
O=C(c1sc2ccccc2c1Cl)N1CCN(c2ccccc2F)CC1
(3-chloro-1-benzothiophen-2-yl)-[4-(2-fluorophenyl)piperazin-1-yl]methanone