Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. O=C1N(CCN2Cc3ccccc3C2)CCN1Cc1ccccc1Cl
b. CCCCCc1ccc(-c2ccoc2C(=O)NNC(=O)c2ccc(O)c([N+](=O)[O-])c2)cc1
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}
N'-(4-hydroxy-3-nitrobenzoyl)-3-(4-pentylphenyl)furan-2-carbohydrazide