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 COc1ccccc1CC(=O)Nc1ccc2c(C)cc(=O)oc2c1
b Cc1cc(NC(=O)c2cncc(Br)c2)no1
c O=C(Cn1c(NCCO)nc2ccccc21)NCC(F)(F)F
d COn1c(=O)c(=O)n(OC)c2ccccc21
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}