Task: Answer the MCQ question.
Question: Which compound exhibits a 15.660\% 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 other words.
Options:
a. CCOC(=O)c1oc2c(CN3CCN(CCO)CC3)c(O)c(CC)cc2c(=O)c1-c1nc2ccccc2s1
b. O=C(COC(=O)/C=C/C(=O)N1CCN(c2ccccc2)CC1)NC(c1ccccc1)c1ccccc1
c. O=C(CSc1nc2ccccc2s1)NCCOc1ccc(Cl)cc1
d. O=C(O)c1ccc(Cl)c(S(=O)(=O)NCc2ccco2)c1
Answer: a. CCOC(=O)c1oc2c(CN3CCN(CCO)CC3)c(O)c(CC)cc2c(=O)c1-c1nc2ccccc2s1
{#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#}
CCOC(=O)c1oc2c(CN3CCN(CCO)CC3)c(O)c(CC)cc2c(=O)c1-c1nc2ccccc2s1
CCOC(=O)c1oc2c(CN3CCN(CCO)CC3)c(O)c(CC)cc2c(=O)c1-c1nc2ccccc2s1
ethyl 3-(1,3-benzothiazol-2-yl)-6-ethyl-7-hydroxy-8-[[4-(2-hydroxyethyl)piperazin-1-yl]methyl]-4-oxochromene-2-carboxylate