Task: Answer the multiple choice question.
Query: Which drug exhibits a 15.770\% 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 Cn1nnnc1SCC(=O)Nc1cccc(S(=O)(=O)N2CCCC2)c1
b Cc1ccccc1NC(=S)N1CCN(c2ccccc2C)CC1
c CCN(CC)C(=O)c1ccc(Cn2cc([N+](=O)[O-])cn2)o1
d CCN1CCC(NC(=O)Nc2cc(Cl)ccc2OC)CC1
Answer: d. CCN1CCC(NC(=O)Nc2cc(Cl)ccc2OC)CC1
{#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#}
CCN1CCC(NC(=O)Nc2cc(Cl)ccc2OC)CC1
CCN1CCC(NC(=O)Nc2cc(Cl)ccc2OC)CC1
1-(5-chloro-2-methoxyphenyl)-3-(1-ethylpiperidin-4-yl)urea