Task: Answer the multiple choice question.
Question: Which drug has a 2.469\% 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 additional words.
Options:
a COC(=O)[C@@H]1C[C@H]2CC[C@H](O)C[C@H]2N1Cc1ccccc1OS(=O)(=O)c1ccc(C)cc1
b O=C(NNC1=Nc2ccccc2SC1)c1ccc(Cl)cc1
c CCOc1ccc(-c2nnc(SCC(=O)N(CC)CC)n2N)cc1
d O=C(c1ccc(Cn2cnnn2)cc1)N1CCCC(Nc2ccc(F)c(F)c2)C1
Answer: b. O=C(NNC1=Nc2ccccc2SC1)c1ccc(Cl)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#}
O=C(NNC1=Nc2ccccc2SC1)c1ccc(Cl)cc1
O=C(NNC1=Nc2ccccc2SC1)c1ccc(Cl)cc1
N'-(2H-1,4-benzothiazin-3-yl)-4-chlorobenzohydrazide