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 additional words.
Options:
a.) CCOC(=O)c1c(C)c(C(=O)Nc2ccc(F)cc2)c(C)n1C
b.) COc1ccc(C2Oc3ccccc3C3=C2C(c2cccs2)n2ncnc2N3)cc1
c.) CC(C)c1ccc(-c2cc(C(=O)N3CCOCC3)c3cc(Br)ccc3n2)cc1
d.) COc1ccc(CN2CCOCC2)cc1Br
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}