Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) O=C(c1cccc([N+](=O)[O-])c1)c1ccc2c(c1)OCCOCCOCCOCCO2
(b) O=C(Nc1cc(F)cc(F)c1)c1sc(Cl)nc1-c1ccccc1
(c) Nn1c(COc2ccc(Cl)cc2)n[nH]c1=S
(d) Cc1cc(Cl)c2oc(C(=O)N3CCN(c4ccncc4)CC3)c(C)c2c1
Answer: 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}