Task: Answer the multiple-choice question.
Question: Which drug exhibits a 0.229\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a Cl.c1ccc2c(c1)oc1c(NCCCN3CCOCC3)ncnc12
b Cc1oc2cc3oc(=O)c(CCC(=O)NCCCN4CCOCC4)c(C)c3cc2c1C
c O=C(N/N=C/c1cccnc1)C1CC1(c1ccccc1)c1ccccc1
d CCOC(=O)C1CCN(C(=O)CN(c2cccc(C(F)(F)F)c2)S(C)(=O)=O)CC1
e C[C@@H](C(=O)Nc1nc(-c2ccccn2)cs1)N1C(=O)C2CCCCC2C1=O
Answer: a. Cl.c1ccc2c(c1)oc1c(NCCCN3CCOCC3)ncnc12
{#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#}
Cl.c1ccc2c(c1)oc1c(NCCCN3CCOCC3)ncnc12
Cl.c1ccc2c(c1)oc1c(NCCCN3CCOCC3)ncnc12
N-(3-morpholin-4-ylpropyl)-[1]benzofuro[3,2-d]pyrimidin-4-amine;hydrochloride