Problem statement: Answer the MCQ question.
Query: Which drug has a 0.315\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) Cc1cc(C)c[n+](-c2nc3ccccc3nc2[N-]S(=O)(=O)c2cccs2)c1
b) O=c1c2cc(NC(=S)N3CCCC3)ccc2nc2n1CCCCC2
c) CCOC(=O)Cn1nc2sc3ccccc3n2c(=O)c1=O
d) COc1ccc(OC)c(NC(=O)CNC(=O)c2ccc([N+](=O)[O-])cc2)c1
Answer: c. CCOC(=O)Cn1nc2sc3ccccc3n2c(=O)c1=O
{#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)Cn1nc2sc3ccccc3n2c(=O)c1=O
CCOC(=O)Cn1nc2sc3ccccc3n2c(=O)c1=O
ethyl 2-(3,4-dioxo-[1,2,4]triazino[3,4-b][1,3]benzothiazol-2-yl)acetate