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 additional words.
Options:
a. Cc1ccnc(Sc2ccc([N+](=O)[O-])cn2)n1
b. O=C(NCc1ccncc1)c1ccc(Cl)c(S(=O)(=O)N2CCCCC2)c1
c. CC(C)(C)c1cc(C(=O)Nc2cccnc2)cc(C(=O)Nc2cccnc2)c1
d. CCn1c(SCC(=O)NCc2ccccc2)nc2ccccc2c1=O
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}