Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. Oc1oc(-c2ccccc2)nc1/C=N/c1nccs1
b. CCOc1ccc(CN2CCN(C(=O)Cc3ccccc3)CC2)cc1.O=C(O)C(=O)O
c. CCN(CC)CCn1c(NS(=O)(=O)c2ccc(C)cc2)nc2ccccc21
d. COc1ccccc1N(CCC#N)C(=O)COC(=O)c1ccc(-n2nc(C)cc2C)cc1
Answer: c
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}