Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) CCCCc1cc(=O)oc2cc(OC(C)C(=O)NCC3CCC(C(=O)O)CC3)ccc12
b) O=C(CCc1nc2ccccc2c(=O)[nH]1)OCC(=O)N1CCc2ccccc21
c) CCC(=O)Nc1ccc(NC(=O)Cc2ccccc2)cn1
Answer: a, b, c
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}