Task: Answer the multiple choice question.
Question: Which drug exhibits a -21.687\% 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 OCCC1CN(Cc2cccn2-c2nccs2)CCN1Cc1ccccc1
b CCOc1ccc(CCNC(=O)COn2nnc3ccc(S(=O)(=O)N4CCOCC4)cc32)cc1OCC
c O=C(/C=C/c1ccc(S(=O)(=O)N2CCOCC2)cc1)NCCc1ccc(C(F)(F)F)cc1
d Cc1ccc(-c2noc(CCC(=O)NCC3CCCO3)n2)cc1
Answer: a. OCCC1CN(Cc2cccn2-c2nccs2)CCN1Cc1ccccc1
{#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#}
OCCC1CN(Cc2cccn2-c2nccs2)CCN1Cc1ccccc1
OCCC1CN(Cc2cccn2-c2nccs2)CCN1Cc1ccccc1
2-[1-benzyl-4-[[1-(1,3-thiazol-2-yl)pyrrol-2-yl]methyl]piperazin-2-yl]ethanol