Task: Answer the MCQ question.
Question: Which drug exhibits a -4.961\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CCOC(=O)[C@@H]1[C@H]2COc3ccccc3[C@@H]2N2C(=O)N(c3ccc(OC)cc3)C(=O)[C@]12C
b COc1ccc(-c2cc(C#N)nc(N3CCN(C)CC3)n2)cc1
Answer: b. COc1ccc(-c2cc(C#N)nc(N3CCN(C)CC3)n2)cc1
{#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(-c2cc(C#N)nc(N3CCN(C)CC3)n2)cc1
COc1ccc(-c2cc(C#N)nc(N3CCN(C)CC3)n2)cc1
6-(4-methoxyphenyl)-2-(4-methylpiperazin-1-yl)pyrimidine-4-carbonitrile