Task: Answer the multiple-choice question.
Question: Which drug has a 18.505\% 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 additional words.
Options:
a.) COC(=O)c1ccc(N2CCN(C)CC2)c(NC(=O)c2ccc(-c3ccc(Cl)cc3)o2)c1
b.) O=C(c1cccc(F)c1)n1nnc2ccccc21
c.) CCN1C(=O)C(CC(=O)Nc2ccc(OC)cc2)N(CCc2ccc(F)cc2)C1=S
d.) Cl.Nc1cccc2c3c(oc12)CCCC3
Answer: d. Cl.Nc1cccc2c3c(oc12)CCCC3
{#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.Nc1cccc2c3c(oc12)CCCC3
Cl.Nc1cccc2c3c(oc12)CCCC3
6,7,8,9-tetrahydrodibenzofuran-4-amine;hydrochloride