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) CN1CCN(C)C(C(=O)N2CCN(C(=O)Nc3ccc(Cl)c(Cl)c3)CC2)C1
b) Cc1ccc2c(c1)CC(CCN(C)C)=C2[C@@H](C)c1cnccn1
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}
N-(3,4-dichlorophenyl)-4-(1,4-dimethylpiperazine-2-carbonyl)piperazine-1-carboxamide