Task: Answer the multiple choice question.
Query: Which drug exhibits a -0.700\% 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: COc1ccc(N(C(=O)CNC(=O)c2ccco2)C(C(=O)NC2CCCC2)c2ccncc2)cc1
b: CCc1c(C)nc2ncnn2c1N1CCN(S(=O)(=O)c2ccc(OC)cc2)CC1
c: Cc1cccc(CS(=O)(=O)c2ncc(Cl)c(C(=O)NCc3ccccc3)n2)c1
d: O=C(O)CCCSc1nccn1-c1ccccc1
Answer: b. CCc1c(C)nc2ncnn2c1N1CCN(S(=O)(=O)c2ccc(OC)cc2)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)nc2ncnn2c1N1CCN(S(=O)(=O)c2ccc(OC)cc2)CC1
CCc1c(C)nc2ncnn2c1N1CCN(S(=O)(=O)c2ccc(OC)cc2)CC1
6-ethyl-7-[4-(4-methoxyphenyl)sulfonylpiperazin-1-yl]-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidine