Task: Please answer the multiple choice question.
Question: Which molecules are not 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. COc1cc2cnc(Cl)nc2cc1OC
b. COc1cc(NC(=O)C(=O)NNC(=O)C2CCCCC2)c(OC)cc1Cl
c. COc1ccc(NC(=O)CN(C)C(=O)CNC(=O)c2sc3ccccc3c2Cl)cc1
d. COCCNC(=O)CCn1nc(-c2ccc(Cl)cc2)ccc1=O
Answer: a, b, c, 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}