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 CN(C(=O)c1cccc(C#N)c1)c1nnc(C2CCOC2)s1
b CCN(CC)c1ccc(C(=O)OCC(=O)N2CCN(c3ccccc3)CC2)cc1
c COC(=O)c1cc(O)c(OCc2ccccc2)c(O)c1
d COC(=O)CCS(=O)(=O)c1ccc(Cl)cc1
Answer: a, b, 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}