Task: Answer the multiple-choice question.
Query: Which compound exhibits a 12.674\% 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.) CCCCc1cc(=O)oc2cc(C)cc(OCC(=O)Nc3cccnc3)c12
b.) NS(=O)(=O)c1ccc(CCNC(=O)COC(=O)C2CCC2)cc1
c.) Oc1ccc(/C=N/n2cncn2)cc1O
d.) O=C(COC(=O)[C@H](Cc1ccccc1)NC(=O)c1cccs1)Nc1ccccc1C(F)(F)F
Answer: a. CCCCc1cc(=O)oc2cc(C)cc(OCC(=O)Nc3cccnc3)c12
{#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#}
CCCCc1cc(=O)oc2cc(C)cc(OCC(=O)Nc3cccnc3)c12
CCCCc1cc(=O)oc2cc(C)cc(OCC(=O)Nc3cccnc3)c12
2-(4-butyl-7-methyl-2-oxochromen-5-yl)oxy-N-pyridin-3-ylacetamide