Task: Please answer the multiple choice question.
Question: Which molecules are 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] Cc1ccccc1C1CCN(C[C@@H]2CCc3cccnc3[C@@H](O)C2)CC1
[b] COc1cc(N2C(=O)N(Cc3c(F)cc(F)cc3F)c3ncccc3S2(=O)=O)cnc1OC
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}
(7R,9S)-7-[[4-(2-methylphenyl)piperidin-1-yl]methyl]-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridin-9-ol