Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) CCC(C)[C@H](NC(=O)N1CCn2c1nc1ccccc12)C(=O)NCCc1ccccc1
(b) CC(NC(=O)c1ccc(N(C)C)c([N+](=O)[O-])c1)c1ccc(-n2ccnc2)cc1
(c) CC(C)(C)NC(=O)CN(C(=O)CCC(=O)Nc1nccs1)c1ccc2c(c1)OCCO2
Answer: a, 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}