Task: Answer the multiple choice question.
Query: Which compound exhibits a -25.657% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COc1cc(C(=O)Nc2ccc(Oc3ncnc4sc(-c5ccccc5)cc34)cc2)cc(OC)c1OC
(b) O=C(CSCc1ccccc1)N1CCN(c2ccccc2)CC1
Answer: b. O=C(CSCc1ccccc1)N1CCN(c2ccccc2)CC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(CSCc1ccccc1)N1CCN(c2ccccc2)CC1
O=C(CSCc1ccccc1)N1CCN(c2ccccc2)CC1
2-benzylsulfanyl-1-(4-phenylpiperazin-1-yl)ethanone