Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CCOC(=O)c1c(C)n(C)c2ccc(OC)c(NC(=O)CCN3CCC(Cc4ccccc4)CC3)c12
b. COC(=O)c1cc(C(=O)OCC(=O)NC(=O)c2ccccc2)cc([N+](=O)[O-])c1
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}