Problem statement: Answer the multiple-choice question.
Query: Which compound has a 18.635\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a Cn1nc(C(=O)N2CCCC2)c2ccccc2c1=O
b CN(C)S(=O)(=O)c1ccc(NC(=O)c2cc(F)c(F)cc2Cl)cc1
c CCOC(=O)c1ccc(NC(=O)C(=O)NCc2ccncc2)cc1
d COc1ccc(Cl)cc1CN1CCN(c2nc(C)cc(C)c2C#N)CC1
e COc1ccc(/C=C2\CCc3ccccc3C2=O)cc1CN1CCOCC1
Answer: a. Cn1nc(C(=O)N2CCCC2)c2ccccc2c1=O
{#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#}
Cn1nc(C(=O)N2CCCC2)c2ccccc2c1=O
Cn1nc(C(=O)N2CCCC2)c2ccccc2c1=O
2-methyl-4-(pyrrolidine-1-carbonyl)phthalazin-1-one