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 other words.
Options:
a) CCOC(=O)C1(CCCc2ccccc2)CCN(Cc2cnc(C)s2)CC1
b) O=C(COc1ccccc1Cl)Nc1ccccc1C(=O)N1CCCCC1
c) Cc1ccc(C#CC[N+](C)(C)CC#Cc2ccccc2)cc1.[Br-]
d) O=C(O)c1cccc(S(=O)(=O)Nc2ccc(O)c(Sc3nc4ccccc4s3)c2)c1
Answer: a, c
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}