Task: Answer the multiple choice question.
Question: Which compound exhibits a 11.918\% 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] COc1cccc(OC)c1CN(C)C(=O)c1cnccc1C(F)(F)F
[b] CCc1nnc(NC(=O)CN2CCN(CC)CC2)s1
[c] O=C(NC1CC1)c1sc2ccccc2c1Cl
[d] O=C(C1=CC=CN2CCS(=O)(=O)N=C12)N1CCN(c2cccc(Cl)c2)CC1
[e] CN(C)c1ccc(/C=N/NC(=O)c2cc(-c3ccc4c(c3)OCO4)n[nH]2)cc1
Answer: b. CCc1nnc(NC(=O)CN2CCN(CC)CC2)s1
{#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#}
CCc1nnc(NC(=O)CN2CCN(CC)CC2)s1
CCc1nnc(NC(=O)CN2CCN(CC)CC2)s1
2-(4-ethylpiperazin-1-yl)-N-(5-ethyl-1,3,4-thiadiazol-2-yl)acetamide