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, or c without using any additional words.
Options:
a. COc1ccc(CCN2CC(C(=O)NC3CCCCC3)CC2=O)cc1OC
b. O=C(Cn1nc(Cc2cccnc2)c2ccccc2c1=O)N1CCN(C(=O)c2ccco2)CC1
c. CCc1c(C)nc2ncnn2c1N1CCC(C(=O)N2CCN(c3ccc(F)cc3)CC2)CC1
Answer: a, b
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}