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, c, or d without using any other words.
Options:
a) O=C(Nc1nc(-c2ccc(F)cc2)cs1)c1cccnc1
b) N=c1c(C(=O)NCC2CCCO2)cc2c(=O)n3ccccc3nc2n1Cc1ccccc1
c) CCOC(=O)C1CCN(C(=O)c2cc(S(=O)(=O)N3CCOCC3)ccc2C)CC1
d) N#CCCN(Cc1ccccc1)C(=O)Nc1ccc2c(c1)CCO2
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}