Task: Answer the MCQ question.
Question: Which drug exhibits a 8.687\% human ether-à-go-go related gene (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 C1CCc2nnc(-c3nnc4n3CCCCC4)n2CC1
b CCNc1ccc(C(=O)OCC(=O)NC(=O)NCC(C)C)cc1[N+](=O)[O-]
c CCOC(=O)C1CCCN(c2nc(C)nc3c2oc2ccccc23)C1.Cl
d CCC(C)n1c(SCC(=O)Nc2cc(C)on2)nc2ccccc2c1=O
Answer: c. CCOC(=O)C1CCCN(c2nc(C)nc3c2oc2ccccc23)C1.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#}
CCOC(=O)C1CCCN(c2nc(C)nc3c2oc2ccccc23)C1.Cl
CCOC(=O)C1CCCN(c2nc(C)nc3c2oc2ccccc23)C1.Cl
ethyl 1-(2-methyl-[1]benzofuro[3,2-d]pyrimidin-4-yl)piperidine-3-carboxylate;hydrochloride