Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a COc1cccc(CN2CCC(C(=O)N3CCN(c4ccccc4F)CC3)CC2)c1
b COc1ccc(C(C)NC(=O)C2CCCC2)cc1
c COc1ccc(C(C)=O)cc1CSc1nnc(-c2ccncc2)o1
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}