Task: Answer the MCQ question.
Query: Which compound exhibits a -16.815\% 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 other words.
Options:
a: CC1Cc2ccccc2N1Cc1cc(=O)c(OCC(=O)NCCc2ccccc2)co1
b: COC(=O)CCC(=O)OC1(C)C(=O)C2=CN(C3CCCC3)C(c3ccc(OC)cc3)=CC2=C(Br)C1=O
c: CCCCCC(=O)Nc1ccc(-c2csc(N)n2)cc1
d: CCOc1ccc(-c2c(C)n(-c3ccc(OCC)cc3)c3[n+]2CCCCC3)cc1.[O-][Cl+3]([O-])([O-])[O-]
Answer: b. COC(=O)CCC(=O)OC1(C)C(=O)C2=CN(C3CCCC3)C(c3ccc(OC)cc3)=CC2=C(Br)C1=O
{#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#}
COC(=O)CCC(=O)OC1(C)C(=O)C2=CN(C3CCCC3)C(c3ccc(OC)cc3)=CC2=C(Br)C1=O
COC(=O)CCC(=O)OC1(C)C(=O)C2=CN(C3CCCC3)C(c3ccc(OC)cc3)=CC2=C(Br)C1=O
4-O-[5-bromo-2-cyclopentyl-3-(4-methoxyphenyl)-7-methyl-6,8-dioxoisoquinolin-7-yl] 1-O-methyl butanedioate