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] CNc1nc(C)nc(-n2nc(C)cc2C)n1
[b] COc1ccc(-n2nnnc2SCC(=O)Nc2nc3c(s2)CCCC3)cc1
[c] COc1ccc(N2CCN(C(=O)c3ccc(CS(=O)(=O)c4ccc(OC)cc4)o3)CC2)cc1
[d] O=[N+]([O-])c1ccccc1N/N=C/c1cc2ccccc2nc1Cl
Answer: a, b, 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}