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. CCN(CC)C(=O)c1cccc(NC(=O)C2=COCCO2)c1
b. Nc1ncnc2c1ncn2[C@@H]1O[C@@H]2COP(=O)([O-])O[C@H]2[C@H]1O.[Na+]
Answer: a, b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}