Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a -1.808\% 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, b, c, or d without using any additional words.
Options:
a.) S=C(NCc1ccccc1)N1CCc2ccccc2C1
b.) CCOC(=O)CSc1nc(Nc2ccc3c(c2)OCO3)c2ccccc2n1
c.) C/C(=N\N=C(N)N)c1ccc(Cl)c(Cl)c1.CC(=O)O
d.) ClC(Cl)(Cl)c1ccccc1
Answer: b. CCOC(=O)CSc1nc(Nc2ccc3c(c2)OCO3)c2ccccc2n1
{#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#}
ethyl 2-[4-(1,3-benzodioxol-5-ylamino)quinazolin-2-yl]sulfanylacetate