Task: Answer the multiple-choice question.
Query: Which drug exhibits a -47.514\% 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 other words.
Options:
a CC1CCN(S(=O)(=O)N2CCN(C(=O)c3ccc4c(c3)OCO4)CC2)CC1
b Cc1nc(NCCCn2ccnc2)c2oc3ccccc3c2n1.Cl
c Cc1cccc(NC(=S)N(CCCN2CCOCC2)Cc2ccco2)c1
d Cc1cc(NC2CCCC2)n2nc(C)c(-c3ccccc3)c2n1
Answer: b. Cc1nc(NCCCn2ccnc2)c2oc3ccccc3c2n1.Cl
{#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#}
Cc1nc(NCCCn2ccnc2)c2oc3ccccc3c2n1.Cl
Cc1nc(NCCCn2ccnc2)c2oc3ccccc3c2n1.Cl
N-(3-imidazol-1-ylpropyl)-2-methyl-[1]benzofuro[3,2-d]pyrimidin-4-amine;hydrochloride