Problem statement: Answer the MCQ question.
Query: Which drug exhibits a -1.761\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a. COc1ccc(Cl)cc1S(=O)(=O)N1CCCC(C(=O)N2CCCC2)C1
b. CCOC(=O)CSc1nc2sc3c(c2c(=O)n1-c1ccc(C)cc1)CCN(C)C3
c. NS(=O)(=O)c1ccc(CCNC(=O)c2cnccn2)cc1
d. O=C(c1ccc(Cl)c(Cl)c1)N1CCC(=O)N(C(COCc2cccc(C(F)(F)F)c2)Cc2ccccc2)CC1
e. Cl.O=[N+]([O-])c1ccc(CN2CCN(c3ccc4ccccc4n3)CC2)cc1
Answer: e. Cl.O=[N+]([O-])c1ccc(CN2CCN(c3ccc4ccccc4n3)CC2)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#}
Cl.O=[N+]([O-])c1ccc(CN2CCN(c3ccc4ccccc4n3)CC2)cc1
Cl.O=[N+]([O-])c1ccc(CN2CCN(c3ccc4ccccc4n3)CC2)cc1
2-[4-[(4-nitrophenyl)methyl]piperazin-1-yl]quinoline;hydrochloride