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, c, or d without using any other words.
Options:
a Cn1nc(C(C)(C)C)c([N+](=O)[O-])c1C(=O)N1CCCCCC1
b Cc1cccn2c(=O)c3cc(C(=O)NCC4CCCO4)c(=N)n(CCc4ccccc4)c3nc12
c CCOC(=O)N1CCC(Nc2ccc(OC)cc2)CC1
d C=CCNc1nc(-c2cc3ccccc3o2)cs1
Answer: a, c, d
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}