Task: Answer the multiple-choice question.
Question: Which drug has a -18.254\% 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: CCN(CC)CCN(C(=O)c1ccc2c(c1)OCCO2)c1nc2cc3c(cc2s1)OCO3.Cl
b: CN(C)CCOc1cc(Cl)cc(Cl)c1
c: COc1ccc(CN2C(=O)C(CC(C)C)Nc3ncnc(N4CCOCC4)c32)cc1.O=C(O)C(F)(F)F
d: O=S(=O)(NC1CC2CCC1C2)c1ccc2c(c1)OCCO2
Answer: a. CCN(CC)CCN(C(=O)c1ccc2c(c1)OCCO2)c1nc2cc3c(cc2s1)OCO3.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#}
CCN(CC)CCN(C(=O)c1ccc2c(c1)OCCO2)c1nc2cc3c(cc2s1)OCO3.Cl
CCN(CC)CCN(C(=O)c1ccc2c(c1)OCCO2)c1nc2cc3c(cc2s1)OCO3.Cl
N-[2-(diethylamino)ethyl]-N-([1,3]dioxolo[4,5-f][1,3]benzothiazol-6-yl)-2,3-dihydro-1,4-benzodioxine-6-carboxamide;hydrochloride