Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a -19.143\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a O=C(O)C(=O)O.O=C(c1ccco1)N1CCN(Cc2cccnc2)CC1
b COc1ccc(S(=O)(=O)NCCN2CCNC2=O)cc1OC
c N#Cc1ccccc1S(=O)(=O)N1CCN(CC(O)COc2ccccc2F)CC1.O=C(O)C(=O)O
d CN(C)CCN(Cc1ccccc1)c1ccccn1.Cl
Answer: d. CN(C)CCN(Cc1ccccc1)c1ccccn1.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#}
CN(C)CCN(Cc1ccccc1)c1ccccn1.Cl
CN(C)CCN(Cc1ccccc1)c1ccccn1.Cl
N'-benzyl-N,N-dimethyl-N'-pyridin-2-ylethane-1,2-diamine;hydrochloride