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, d, or e without using any additional words.
Options:
a Cc1ccccc1-[n+]1c(-c2ccccc2)cc(-c2ccccc2)cc1-c1ccccc1.[O-][Cl+3]([O-])([O-])[O-]
b O=C(Nc1cccc(S(=O)(=O)N2CCOCC2)c1)C1CCN(S(=O)(=O)c2ccccc2)CC1
c Cc1csc(SCC(=O)Nc2ccc3c(c2)OCCO3)n1
d COc1ccc(Cl)cc1C(=O)NC1=NCCS1
e CCCN1CCN(C(=O)CS(=O)(=O)Cc2nc(-c3cccc(OC)c3)oc2C)CC1
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}