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 additional words.
Options:
a CCCN(CC(=O)Nc1ccc(F)c(F)c1F)C(=O)c1ccc(N2CCCC2=O)cc1
b COc1ccc(N2C(=O)C(F)(F)C2c2ccc(C)cc2)cc1OC
c Cc1c(C(=O)NN)nn(-c2ccc(Cl)cc2)c(=O)c1C#N
d CN(Cc1nc(Cc2ccccc2F)no1)CC1(N2CCOCC2)CCCCC1
Answer: 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}