Task: Answer the MCQ question.
Question: Which drug has a 3.750\% 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. CC(=O)OCCn1c(=O)c2cc3c(=O)n(CCOC(C)=O)c(=O)c3cc2c1=O
b. O=C(O)CSc1ncnc2sc3c(c12)CCCC3
Answer: b. O=C(O)CSc1ncnc2sc3c(c12)CCCC3
{#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)CSc1ncnc2sc3c(c12)CCCC3
O=C(O)CSc1ncnc2sc3c(c12)CCCC3
2-(5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-ylsulfanyl)aceticacid