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, c, or d without using any additional words.
Options:
a. CCCn1c(COc2ccccc2OC)nc2ccccc21
b. Cc1nc2sc(C(c3ccccc3)N3CCN(c4ccccc4F)CC3)c(O)n2n1
c. Cc1cccc(Oc2sc(C(=O)c3ccccc3)c(N)c2C#N)c1
d. Cc1ccc(C(=O)C2=C(O)C(=O)N(c3ncccn3)C2c2ccccc2F)o1
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}