Task: Answer the multiple choice question.
Query: Which compound exhibits a -5.866% 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: O=C(CNC(=O)Cn1cnc2sc3c(c2c1=O)CCCC3)NCc1ccccn1
b: CCOc1ccccc1NC(=O)CCCCCN1C(=O)[C@@H]2Cc3ccccc3CN2C1=O
c: Cc1cccn2c(CN(C)C3CCOC3)c(C(=O)N3CCCCC3)nc12
d: c1ccc(Oc2nnc(-c3cccs3)c3ccccc23)cc1
Answer: d. c1ccc(Oc2nnc(-c3cccs3)c3ccccc23)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#}
c1ccc(Oc2nnc(-c3cccs3)c3ccccc23)cc1
c1ccc(Oc2nnc(-c3cccs3)c3ccccc23)cc1
4-phenoxy-1-(thiophen-2-yl)phthalazine