Task: Answer the multiple-choice question.
Question: Which compound has a 15.135\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a COc1ccc(CCNCCN2CCOCC2)cc1.Cl
b COc1cc2ccccc2cc1C(=O)NC1CCCCC1
c CC(C)c1nnc(NC(=O)C2c3ccccc3Oc3ccccc32)s1
d CCn1c(=O)c(=O)[nH]c2c(=O)oc3ccc(S(=O)(=O)Nc4ccc(OC)cc4)cc3c21
Answer: a. COc1ccc(CCNCCN2CCOCC2)cc1.Cl
{#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#}
COc1ccc(CCNCCN2CCOCC2)cc1.Cl
COc1ccc(CCNCCN2CCOCC2)cc1.Cl
2-(4-methoxyphenyl)-N-(2-morpholin-4-ylethyl)ethanamine;hydrochloride