Task: Answer the multiple choice question.
Query: Which compound exhibits a 8.538% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] CCOC(=O)C1CN(S(=O)(=O)c2ccc(C)cc2)CCN1S(=O)(=O)c1ccc(C)cc1
[b] COc1ccccc1CCNC(=O)CCn1c(=O)oc2ccccc21
[c] CCn1ccc(=O)c2cc3c(cc21)OCO3
[d] Cc1ccc(NC(=S)N2CCCC(O)C2)cc1
Answer: b. COc1ccccc1CCNC(=O)CCn1c(=O)oc2ccccc21
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1ccccc1CCNC(=O)CCn1c(=O)oc2ccccc21
COc1ccccc1CCNC(=O)CCn1c(=O)oc2ccccc21
N-[2-(2-methoxyphenyl)ethyl]-3-(2-oxo-1,3-benzoxazol-3-yl)propanamide