Task: Answer the multiple choice question.
Question: Which compound has a 18.247\% 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. CSc1n[nH]c(N)c1S(=O)(=O)c1ccc(Cl)cc1
b. O=P(c1ccc2c(c1)OCCO2)(N1CCOCC1)N1CCOCC1
Answer: b. O=P(c1ccc2c(c1)OCCO2)(N1CCOCC1)N1CCOCC1
{#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=P(c1ccc2c(c1)OCCO2)(N1CCOCC1)N1CCOCC1
O=P(c1ccc2c(c1)OCCO2)(N1CCOCC1)N1CCOCC1
4-[2,3-dihydro-1,4-benzodioxin-6-yl(morpholin-4-yl)phosphoryl]morpholine