Problem statement: Answer the multiple choice question.
Query: Which drug has a -1.413\% 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 other words.
Options:
(a) CCCCCCCSc1cc(OC)c(CCNC)cc1OC.O=C(O)/C=C\C(=O)O
(b) O=C1C2C3CCC(C3)C2C(=O)N1Cc1ccccc1
(c) Cc1ccc(S(N)(=O)=O)cc1
(d) CCOc1nc2c(c(=O)n(C)c(=O)n2C)n1Cc1ccccc1Cl
Answer: d. CCOc1nc2c(c(=O)n(C)c(=O)n2C)n1Cc1ccccc1Cl
{#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#}
7-[(2-chlorophenyl)methyl]-8-ethoxy-1,3-dimethylpurine-2,6-dione