Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) C[NH+]1CCCC[C@@H]1c1c(-c2ccccc2)[nH]c2ccccc12
b) CC12CCC3C(CCC4=CC(=O)C=CC43C)C1CCC(=O)O2
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}
3-[(2R)-1-methylpiperidin-1-ium-2-yl]-2-phenyl-1H-indole