Task: Answer the multiple choice question.
Query: Which drug exhibits a -0.755\% 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] CCc1c(C)nc2cc(-c3cc(OC)cc(OC)c3)nn2c1N1CCN(CCN2CCOCC2)CC1
[b] CSC1=NC(=O)/C(=C/c2ccc(SC)cc2)S1
[c] COc1ccc(Nc2nc3c(C)cccc3cc2C#N)c(OC)c1
[d] O=C(Nc1ccc(S(=O)(=O)Nc2cnc3ccccc3n2)cc1)c1ccc(Cl)cc1Cl
Answer: a. CCc1c(C)nc2cc(-c3cc(OC)cc(OC)c3)nn2c1N1CCN(CCN2CCOCC2)CC1
{#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#}
CCc1c(C)nc2cc(-c3cc(OC)cc(OC)c3)nn2c1N1CCN(CCN2CCOCC2)CC1
CCc1c(C)nc2cc(-c3cc(OC)cc(OC)c3)nn2c1N1CCN(CCN2CCOCC2)CC1
4-[2-[4-[2-(3,5-dimethoxyphenyl)-6-ethyl-5-methylpyrazolo[1,5-a]pyrimidin-7-yl]piperazin-1-yl]ethyl]morpholine