Task: Answer the multiple-choice question.
Question: Which compound exhibits a -67.466\% human ether-à-go-go related gene (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 other words.
Options:
a.) O=C(c1ccco1)N1CCN(C(=O)c2ccc(-c3ccc(Cl)cc3)o2)CC1
b.) CC(C)=NNc1nnc(Cl)c2ccccc12
c.) NS(=O)(=O)c1ccc(NC(=O)COC(=O)c2ccc3c(c2)OCCO3)cc1
d.) Cc1ccc(-n2nc3c(=O)n(CCCC(=O)NCc4ccccc4Cl)nc(C)c3c2C)cc1
Answer: a. O=C(c1ccco1)N1CCN(C(=O)c2ccc(-c3ccc(Cl)cc3)o2)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#}
O=C(c1ccco1)N1CCN(C(=O)c2ccc(-c3ccc(Cl)cc3)o2)CC1
O=C(c1ccco1)N1CCN(C(=O)c2ccc(-c3ccc(Cl)cc3)o2)CC1
[4-[5-(4-chlorophenyl)furan-2-carbonyl]piperazin-1-yl]-(furan-2-yl)methanone