Task: Answer the MCQ question.
Query: Which compound exhibits a -77.673% human ether-à-go-go related gene (hERG) inhibition at 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)c1cccc(NC(=O)CN2C(=O)C3CC=CCC3C2=O)c1
b: COc1cccc(CNc2ccc(F)c([N+](=O)[O-])c2)c1O
c: COc1ccc(-[n+]2c(-c3ccccc3)cc(-c3ccc(C)cc3)cc2-c2ccccc2)cc1.[O-][Cl+3]([O-])([O-])[O-]
d: COc1ccc2[nH]c(C(=O)N3CCN(C)CC3)c(C)c2c1
Answer: c. COc1ccc(-[n+]2c(-c3ccccc3)cc(-c3ccc(C)cc3)cc2-c2ccccc2)cc1.[O-][Cl+3]([O-])([O-])[O-]
{#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#}
COc1ccc(-[n+]2c(-c3ccccc3)cc(-c3ccc(C)cc3)cc2-c2ccccc2)cc1.[O-][Cl+3]([O-])([O-])[O-]
COc1ccc(-[n+]2c(-c3ccccc3)cc(-c3ccc(C)cc3)cc2-c2ccccc2)cc1.[O-][Cl+3]([O-])([O-])[O-]
1-(4-methoxyphenyl)-4-(4-methylphenyl)-2,6-diphenylpyridin-1-ium;perchlorate