Task: Answer the MCQ question.
Question: Which compound has a -19.888\% 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) Br.COc1ccc(-c2csc(CCN3N=C(C)CC3=O)n2)cc1
b) O=C(c1ccc(F)cc1Cl)N1CCN(CCc2ccccc2)CC1
c) CCNC(=S)NNC(=O)CSc1nc2ccccc2[nH]1
d) O=C(COC(=O)c1ccc(S(=O)(=O)NCc2ccco2)cc1)c1ccccc1
Answer: b. O=C(c1ccc(F)cc1Cl)N1CCN(CCc2ccccc2)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#}
O=C(c1ccc(F)cc1Cl)N1CCN(CCc2ccccc2)CC1
O=C(c1ccc(F)cc1Cl)N1CCN(CCc2ccccc2)CC1
(2-chloro-4-fluorophenyl)-[4-(2-phenylethyl)-1,4-diazinan-1-yl]methanone