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(COC(=O)c1cnccn1)c1ccc([N+](=O)[O-])cc1
(b) CCC(CC)CN1CCN=C1N(C)C
(c) O=[N+]([O-])c1cc(C(F)(F)F)ccc1-n1nnc2ccccc21
(d) CN=C(c1ccco1)n1c(=S)nc(-c2ccco2)n(C)c1=S
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}