Task: Answer the multiple-choice question.
Query: Which compound exhibits a -2.572\% 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 other words.
Options:
a.) Clc1cccc(N2CCN(c3ncnc4nc[nH]c34)CC2)c1
b.) Cc1ccc(C(C)(C)C)c(OCCCCN2CCCC2)c1
c.) Cl.O=C(NCCNCCO)c1c(O)c2cccc3c2n(c1=O)CCC3
d.) CCOc1ccc(C)cc1S(=O)(=O)n1ccc(C)n1
Answer: c. Cl.O=C(NCCNCCO)c1c(O)c2cccc3c2n(c1=O)CCC3
{#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.O=C(NCCNCCO)c1c(O)c2cccc3c2n(c1=O)CCC3
Cl.O=C(NCCNCCO)c1c(O)c2cccc3c2n(c1=O)CCC3
4-hydroxy-N-[2-(2-hydroxyethylamino)ethyl]-2-oxo-1-azatricyclo[7.3.1.05,13]trideca-3,5,7,9(13)-tetraene-3-carboxamide;hydrochloride