Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a -1.562\% 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 other words.
Options:
a.) O=C(CSc1nnnn1-c1ccc2c(c1)OCO2)NCc1cccs1
b.) COC(=O)c1ccc(-c2sc3nc(N4CCOCC4)c4c(c3c2N)CCCC4)o1
Answer: a. O=C(CSc1nnnn1-c1ccc2c(c1)OCO2)NCc1cccs1
{#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#}
2-[1-(1,3-benzodioxol-5-yl)tetrazol-5-yl]sulfanyl-N-(thiophen-2-ylmethyl)acetamide