Task: Answer the MCQ question.
Question: Which drug has a -19.887\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a.) Cc1cccc(NC(=O)CN2C(=O)N/C(=C/c3cc(C)n(-c4ccncc4)c3C)C2=O)c1
b.) Clc1ccc(/C=C/c2nc(Cl)c(-c3ccc(Cl)cc3)c(Cl)n2)cc1
c.) CCN1CCN(C(c2ccccc2)c2nnnn2Cc2ccc3c(c2)OCO3)CC1.Cl
d.) O=[N+]([O-])c1ccc(N2CCN(c3ccc(F)cc3)CC2)nc1
e.) COc1ccc(CNc2ccc(-c3ccccc3OC)nn2)cc1
Answer: c. CCN1CCN(C(c2ccccc2)c2nnnn2Cc2ccc3c(c2)OCO3)CC1.Cl
{#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#}
CCN1CCN(C(c2ccccc2)c2nnnn2Cc2ccc3c(c2)OCO3)CC1.Cl
CCN1CCN(C(c2ccccc2)c2nnnn2Cc2ccc3c(c2)OCO3)CC1.Cl
1-[[1-(1,3-benzodioxol-5-ylmethyl)tetrazol-5-yl]-phenylmethyl]-4-ethylpiperazine;hydrochloride