Task: Answer the MCQ question.
Query: Which drug exhibits a 2.126% 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 other words.
Options:
[a] O=[N+]([O-])c1ccccc1Nc1ccccc1
[b] COc1ccc(OCc2ccc(C(=O)N3CCOCC3)cc2)cc1
[c] O=C(CSc1nnc(-c2ccco2)o1)N1CCCCC1
[d] O=C(NC1CCCC1)C(c1ccccn1)N(Cc1ccc(F)cc1)C(=O)c1csnn1
Answer: b. COc1ccc(OCc2ccc(C(=O)N3CCOCC3)cc2)cc1
{#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#}
COc1ccc(OCc2ccc(C(=O)N3CCOCC3)cc2)cc1
COc1ccc(OCc2ccc(C(=O)N3CCOCC3)cc2)cc1
[4-[(4-methoxyphenoxy)methyl]phenyl]-morpholin-4-ylmethanone