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. COc1cc(C(=O)NCC(c2cccnc2)N2CCN(C)CC2)cc(OC)c1OC
b. Cc1ccnc(NS(=O)(=O)c2ccc(NC(=O)C3CC=CCC3C(=O)O)cc2)n1
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}