Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. O=C(O)CN(CCN(CC(=O)O)CC(=O)O)CC(=O)O.[Mn+2]
b. COC(=O)[C@H]1[C@@H](O)C[C@H]2CC[C@@H]1[NH+]2C
Answer: a, b
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}
methyl(1S,2R,3S,5R)-8-methyl-3-oxidanyl-8-azoniabicyclo[3.2.1]octane-2-carboxylate