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 additional words.
Options:
a.) COc1ccc(OC)c(CC(NC(C)=O)C(=O)NC2CCN(c3nc(OC)nc(OC)n3)CC2)c1
b.) Cc1ccc(N2CC(C(=O)OCC(=O)c3ccc(C)c([N+](=O)[O-])c3)CC2=O)cc1
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}