Task: Please answer the multiple choice question.
Question: Which molecules are 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 other words.
Options:
a. CC(C)c1nc2ccccn2c1NC1CCCCC1
b. COc1ccccc1NC(=O)CN(c1ccc(C23CC4CC(CC(C4)C2)C3)cc1)S(C)(=O)=O
c. O=C(O)C(=O)O.Oc1ccccc1CN1CCC(C(O)(c2ccccc2)c2ccccc2)CC1
d. O=C(Nc1ccccc1C(F)(F)F)c1cc2ccccc2o1
Answer: 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}