Task: Answer the MCQ question.
Query: Which compound exhibits a 19.280\% 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. COc1ccc(C(=O)OC2CC[C@@]3(C)C4CCC5[C@@]3(C[C@@]3(O)C6CN7CC(C)CCC7[C@@](C)(O)[C@@]6(O)C(O)C[C@@]53O)O[C@]24O)cc1OC
b. CCN(CC)CCNC(=O)c1ccc(NC(=O)c2c(C)nn(-c3ccc(F)cc3)c2Cl)cc1
c. Cc1nc(SCc2ccccc2C#N)n[nH]1
d. Cc1ccc(S(=O)(=O)c2cc3c(=O)n4cccc(C)c4nc3n(CC3CCCO3)c2=N)cc1C
Answer: c. Cc1nc(SCc2ccccc2C#N)n[nH]1
{#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#}
Cc1nc(SCc2ccccc2C#N)n[nH]1
Cc1nc(SCc2ccccc2C#N)n[nH]1
2-[(5-methyl-1H-1,2,4-triazol-3-yl)sulfanylmethyl]benzonitrile