Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. Cc1ccc(C(=O)NCc2ccco2)c(C)c1
b. CNc1c(NS(=O)(=O)c2ccc(Cl)cc2)c(=O)oc2ccccc12
c. O=C(c1ccccc1)N1CCN(c2nc3ccc([N+](=O)[O-])cc3s2)CC1
d. Cl.O=C(NC1CCN(Cc2ccccc2)CC1)c1cccc(OC(F)F)c1
Answer: 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}