Task: Answer the MCQ question.
Query: Which compound has a 2.457\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] COc1ccc(-c2ncncc2-c2csc(C)n2)c(O)c1OC
[b] CCOc1ccc(NC(=S)N2CCC(C(O)(c3ccccc3)c3ccccc3)CC2)cc1
[c] NS(=O)(=O)c1ccc(CNC(=O)c2ccc(Cl)cc2[N+](=O)[O-])cc1
Answer: a. COc1ccc(-c2ncncc2-c2csc(C)n2)c(O)c1OC
{#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#}
COc1ccc(-c2ncncc2-c2csc(C)n2)c(O)c1OC
COc1ccc(-c2ncncc2-c2csc(C)n2)c(O)c1OC
2,3-dimethoxy-6-[5-(2-methyl-1,3-thiazol-4-yl)pyrimidin-4-yl]phenol