Task: Answer the MCQ question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 10uM of a compound with the SMILES COc1ccc(-c2cc(C(F)(F)F)nc(N3CCN(Cc4ccccc4)CC3)n2)cc1OC?
Constraint: You must return none, one or more options from a, b, c, or d without using any other words.
Options:
a: 21.250
b: -2.191
c: 19.494
d: 2.289
Answer: a. 21.250%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_10uM__names__noun} of a {#compound|drug!} with the {SMILES__description} {SMILES#}?
Constraint: You must return none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{herg_central_at_10uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_10uM#}{herg_central_at_10uM__units}.
COc1ccc(-c2cc(C(F)(F)F)nc(N3CCN(Cc4ccccc4)CC3)n2)cc1OC
COc1ccc(-c2cc(C(F)(F)F)nc(N3CCN(Cc4ccccc4)CC3)n2)cc1OC
2-(4-benzylpiperazin-1-yl)-4-(3,4-dimethoxyphenyl)-6-(trifluoromethyl)pyrimidine