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.) O=C1CC2(CCCC2)Oc2ccc(F)cc21
b.) CCOC(=O)CCc1c(C(=O)OCC)[nH]c(CC)c1C(=O)OCc1ccccc1
c.) COc1ccc(C(C)=O)cc1CC(=O)NCCCn1ccnc1
d.) O=C(OCc1cccnc1)C1=Cc2ccccc2OC1
Answer: d
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}