Problem statement: Answer the multiple-choice question.
Query: Which drug has a 18.271\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a NC1=NC(c2cccnc2)n2c(nc3ccccc32)N1
b O=C(C[n+]1ccsc1)c1ccccc1.[Br-]
c Cl.Oc1ccc(CC2(N3CCCC3)CCCCC2)cc1
d CCSc1nnc(NC(=O)[C@@H](NC(=O)c2cccc(C)c2)C(C)C)s1
Answer: c. Cl.Oc1ccc(CC2(N3CCCC3)CCCCC2)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.Oc1ccc(CC2(N3CCCC3)CCCCC2)cc1
Cl.Oc1ccc(CC2(N3CCCC3)CCCCC2)cc1
4-[(1-pyrrolidin-1-ylcyclohexyl)methyl]phenol;hydrochloride