Task: Answer the MCQ question.
Query: Which drug has a -4.777% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a CCOC(=O)Cn1c(=O)oc2cc(S(=O)(=O)Nc3c(C)cc(C)cc3C)ccc21
b COC(=O)c1ccc2c(c1)NC(=O)C(N1CCOCC1)S2
c Cc1c(N=Nc2c(O)[nH]c(=S)[nH]c2=O)c(=O)n(-c2ccccc2)n1C
d Cc1cc(F)ccc1Oc1cc(NN2CCCCC2)c([N+](=O)[O-])cc1[N+](=O)[O-]
Answer: a. CCOC(=O)Cn1c(=O)oc2cc(S(=O)(=O)Nc3c(C)cc(C)cc3C)ccc21
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCOC(=O)Cn1c(=O)oc2cc(S(=O)(=O)Nc3c(C)cc(C)cc3C)ccc21
CCOC(=O)Cn1c(=O)oc2cc(S(=O)(=O)Nc3c(C)cc(C)cc3C)ccc21
ethyl 2-[2-oxo-6-[(2,4,6-trimethylphenyl)sulfamoyl]-1,3-benzoxazol-3-yl]acetate