Task: Answer the MCQ question.
Question: Which compound has a -2.128\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] COc1ccc(OC)c(NC(=O)CCN2CCN(Cc3ccccc3)CC2)c1.Cl
[b] CCOc1ccc(-c2ccc(SC)nn2)cc1
[c] O=[N+]([O-])c1ccc(Oc2ccc(F)cc2)c2ccncc12
[d] CCc1ccc(NC(=O)COC(=O)c2cccs2)cc1
Answer: a. COc1ccc(OC)c(NC(=O)CCN2CCN(Cc3ccccc3)CC2)c1.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#}
COc1ccc(OC)c(NC(=O)CCN2CCN(Cc3ccccc3)CC2)c1.Cl
COc1ccc(OC)c(NC(=O)CCN2CCN(Cc3ccccc3)CC2)c1.Cl
3-(4-benzylpiperazin-1-yl)-N-(2,5-dimethoxyphenyl)propanamide;hydrochloride