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 additional words.
Options:
a O=C(N/N=C\c1coc2ccccc2c1=O)c1ccco1
b CCCCc1nc(SCC(=O)N2CCCCC2)c2c(=O)n(C)c(=O)n(C)c2n1
c COc1ccc(N2C(=O)[C@@H]3Cc4ccccc4CN3C2=O)cc1
d O=C(N/C(=C\c1ccc([N+](=O)[O-])cc1)C(=O)N1CCCCC1)c1ccccc1Br
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}