Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a -0.075\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) O=C(CCn1cnc(-c2ccccc2)c1-c1ccccc1)N/N=C/c1ccccc1O
(b) CCOc1ccc(OCCSc2nnnn2C2CCCCC2)cc1
(c) Cc1cc(=O)oc2cc(OC(C)C(=O)N3CCCc4ccccc43)ccc12
(d) O=C(N/N=C/c1c(O)n(-c2ccc(Cl)cn2)c(=O)c2ccccc12)c1ccncc1
(e) CC(=O)Nc1ccc(S(=O)(=O)NC2(C(F)(F)F)C(=O)Nc3c2c(=O)[nH]c(=O)n3Cc2ccccc2)cc1
Answer: b. CCOc1ccc(OCCSc2nnnn2C2CCCCC2)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#}
CCOc1ccc(OCCSc2nnnn2C2CCCCC2)cc1
CCOc1ccc(OCCSc2nnnn2C2CCCCC2)cc1
1-cyclohexyl-5-[2-(4-ethoxyphenoxy)ethylsulfanyl]tetrazole