Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a: CSc1cccc(CN2CCC(CCC(=O)NC3CC3)CC2)c1
b: O=C(Nn1cnc2ccccc2c1=O)c1ccccc1
c: O=C(COC(=O)Cc1ccsc1)NCC1CCCCC1
d: COCc1nc2ccccc2n1CCc1ccccc1
e: CCN(CC)Cc1c(O)ccc2c(=O)c(Oc3ccccc3OC)coc12
Answer: a
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}