Task: Answer the multiple-choice question.
Query: Which compound has a -0.780\% human ether-à-go-go related gene (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 CC(C)c1ccc(C2c3[nH]c4ccccc4c3C[C@H]3C(=O)N(c4ccccc4C(=O)N4CCC[C@@H]4C(=O)O)C(=O)N23)cc1
b O=C1CCCc2sc3c(c2N1)CCCCC3
Answer: b. O=C1CCCc2sc3c(c2N1)CCCCC3
{#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=C1CCCc2sc3c(c2N1)CCCCC3
O=C1CCCc2sc3c(c2N1)CCCCC3
9-thia-3-azatricyclo[8.5.0.02,8]pentadeca-1(10),2(8)-dien-4-one