Task: Answer the MCQ question.
Question: Which drug exhibits a 6.588\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a CC(=O)c1sc(-c2ccccc2)cc1N
b Cl.c1ccc2c(c1)oc1c(N3CCOCC3)ncnc12
c Cc1nnc2n(C3CCCCC3)c(=O)c3c4c(sc3n12)COC(C)(C)C4
Answer: b. Cl.c1ccc2c(c1)oc1c(N3CCOCC3)ncnc12
{#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#}
Cl.c1ccc2c(c1)oc1c(N3CCOCC3)ncnc12
Cl.c1ccc2c(c1)oc1c(N3CCOCC3)ncnc12
4-morpholin-4-yl-[1]benzofuro[3,2-d]pyrimidine;hydrochloride