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. COc1cc(C2C(C#N)=C(N)Oc3cc(C)n(CCc4ccccc4)c(=O)c32)cc2c1OCO2
b. CCN1CCN(c2c(Cl)cccc2NC(=O)c2ccc([N+](=O)[O-])cc2)CC1
c. COCC(C)NCc1ccc(C)cc1C
d. CC(C)(/C=N/O)/[N+]([O-])=C/c1ccccc1
Answer: a, 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}