Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (IC50 less than 10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) Cc1nn(C)c(C)c1NC(=O)CSc1nc(-c2ccccc2Cl)nc2c1cnn2-c1ccccc1
(b) O=c1cccc2n1CC1CC2CN(c2ncnc3c2cnn3-c2ccc(Cl)cc2)C1
Answer: a
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}