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. O=C(Cc1ccc(Cl)cc1)NC1CCS(=O)(=O)C1
b. C[C@H](NC(=O)c1nc[nH]c1C(=O)N1CCN(C(=O)OC(C)(C)C)CC1)c1ccccc1
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}