Task: Answer the MCQ question.
Query: Which drug exhibits a -0.305\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a: CCC(CC)NC(=O)c1cccc([N+](=O)[O-])c1C
b: O=C(CC1CC2CCC1C2)NCCc1ccc(Cl)cc1
c: O=C(NC1CCN(S(=O)(=O)c2ccccc2F)CC1)c1ccco1
d: Cc1cc(NC(=O)CSc2nc3c(c(=O)n2-c2ccc(Cl)cc2)SCC3)no1
e: Cc1ccc(CNC(=O)CCC2CCCN(Cc3cccc4c3OCO4)C2)o1
Answer: b. O=C(CC1CC2CCC1C2)NCCc1ccc(Cl)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#}
O=C(CC1CC2CCC1C2)NCCc1ccc(Cl)cc1
O=C(CC1CC2CCC1C2)NCCc1ccc(Cl)cc1
2-(2-bicyclo[2.2.1]heptanyl)-N-[2-(4-chlorophenyl)ethyl]acetamide