Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: Cc1c(Cl)cccc1N1CCN(CCCNC(=O)c2nc(-c3ccccc3)n(-c3ccccc3)c2Cn2cncn2)CC1
b: Cn1c(=O)oc2ccc(-c3ccc(C[C@@H](C#N)NC(=O)[C@@H]4CNCCCO4)cc3)cc21
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-(3-chloro-2-methylphenyl)piperazin-1-yl]propyl]-1,2-diphenyl-5-(1,2,4-triazol-1-ylmethyl)imidazole-4-carboxamide