Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CC(=O)CN1CCN(c2cc3[nH]c(SC(C)(C)C)nc3cc2Cl)C(C)C1
b: O=C(NC1CCCC(O)C1)c1noc(-c2ccc(C(F)(F)F)cc2)c1CNCC1CC1
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
1-[4-(2-tert-butylsulfanyl-6-chloranyl-3H-benzimidazol-5-yl)-3-methyl-piperazin-1-yl]propan-2-one