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 other words.
Options:
a: COc1ccc(-c2csc3ncn(-c4ccccc4)c(=O)c23)cc1OC
b: Cc1ccc(NC(=O)CN(C)C(=O)COC(=O)C(C)(C)Oc2ccc(Cl)cc2)cc1
c: O=C1CC(c2ccc(F)cc2)CC(O)=C1C=NCCN1CCN(C(=O)Nc2ccccc2)CC1
d: O/N=C1/CCSc2ccccc21
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}