Task: Please answer the multiple choice question.
Question: Which molecules are a 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.) COc1cccc(OCCOc2cccc(/C=N/n3cnnc3)c2)c1
b.) CCOCCCNCc1cc(Br)ccc1OCc1ccccc1
c.) Cc1nc(COc2ccccc2Cl)sc1-c1ccnc(N)n1
d.) N#Cc1ccccc1NC(=O)Nc1ccc(Cl)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}