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: COC(=O)c1ccc(-c2ncc(-c3cccc4ccccc34)o2)cc1
b: COc1cc(NC(=S)NCCN2CCOCC2)cc(OC)c1OC
c: CCN(CC)C(=O)c1ccc(NC(=O)COc2ccc([N+](=O)[O-])cc2Cl)cc1
d: COc1ccc(C2=NN(c3nc(C(=O)O)cs3)C(O)(C(F)(F)F)C2)c(OC)c1
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}