Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: COc1ccc(CCNC(=O)c2ccc(OCCC(F)(F)F)nc2)c(-c2cnc(OC)nc2)c1
b: CC(C)Oc1cc2c(OC[C@@H]3CCC(=O)N3)nccc2cc1C(N)=O
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
N-[2-[4-methoxy-2-(2-methoxypyrimidin-5-yl)phenyl]ethyl]-6-(3,3,3-trifluoropropoxy)pyridine-3-carboxamide