Task: Answer the multiple choice question.
Question: Which drug exhibits a 1.762% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. COc1ccc(NC(C)c2cc(Cl)ccc2O)cc1
b. Cc1cc(OCC(=O)N2CCC(C(N)=O)CC2)c2c(C)cc(=O)oc2c1
c. Cc1c(Br)c([N+](=O)[O-])nn1CC(=O)Nc1ccc(C(C)C)cc1
d. O=C(NCc1ccco1)C1CCC(N2C(=O)c3ccccc3C2=O)CC1
Answer: a. COc1ccc(NC(C)c2cc(Cl)ccc2O)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1ccc(NC(C)c2cc(Cl)ccc2O)cc1
COc1ccc(NC(C)c2cc(Cl)ccc2O)cc1
4-chloro-2-[1-(4-methoxyanilino)ethyl]phenol