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 other words.
Options:
a CCOc1ccc(NC(=S)NN2CCN(C)CC2)cc1
b O=C(CSc1nc2ccccc2c(=O)n1CCCN1CCOCC1)c1c[nH]c2ccccc12
c CN(C)c1ccc(CNc2ncc(Br)cc2Br)cc1
Answer: b
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}