Task: Answer the MCQ question.
Question: Which drug exhibits a 1.919\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a) COc1ccc(NC(=S)Nc2cccc(Cl)c2)cc1OC
b) O=C(Cn1ncc2c3ccccc3n(Cc3ccccc3)c2c1=O)NCCCN1CCCC1=O
c) CCOC(=O)[C@H]1[C@H]2COc3ccccc3[C@@H]2N2C(=O)c3cc(OC)ccc3NC(=O)[C@@]12C
d) CCCc1[nH]nc2c1C(c1ccc(O)c(OC)c1)C(C#N)=C(N)O2
e) CCc1cccc(NC(=O)CCCCCC2NC(=O)NC2C)c1
Answer: d. CCCc1[nH]nc2c1C(c1ccc(O)c(OC)c1)C(C#N)=C(N)O2
{#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#}
CCCc1[nH]nc2c1C(c1ccc(O)c(OC)c1)C(C#N)=C(N)O2
CCCc1[nH]nc2c1C(c1ccc(O)c(OC)c1)C(C#N)=C(N)O2
6-amino-4-(4-hydroxy-3-methoxyphenyl)-3-propyl-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile