Task: Answer the multiple-choice question.
Query: Which compound exhibits a 10.215\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: O=C(Nc1nnc(-c2ccc(Cl)cc2)o1)Nc1ccccc1Cl
b: CCOc1ncccc1C(=O)NCCc1ccc(OC)cc1
c: O=C(NCc1ccccn1)c1ccc(=O)oc1
d: COc1ccc(C(=O)NCc2nnc(SCC(=O)N3CCc4ccccc43)o2)cc1OC
Answer: b. CCOc1ncccc1C(=O)NCCc1ccc(OC)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#}
CCOc1ncccc1C(=O)NCCc1ccc(OC)cc1
CCOc1ncccc1C(=O)NCCc1ccc(OC)cc1
2-ethoxy-N-[2-(4-methoxyphenyl)ethyl]pyridine-3-carboxamide