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. Cc1ccc(-n2c(C)cc3c2CC(C)(C)CC3=O)cc1C
b. Cc1cccc(NC(=O)c2cccnc2)c1
c. O=C(Cc1nn[nH]n1)Nc1ccc(F)cc1F
d. CCC1Oc2ccc(C)cc2N(CC(=O)NCCN2CCCCCC2)C1=O
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}