Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COc1ccc2ncc(=O)n(CCN3CCC(NCc4cc5c(cn4)OCCO5)C(F)C3)c2c1
b. CCOc1ccn(-c2ccc(F)cc2)c(=O)c1C(=O)Nc1ccc(Oc2ccnc(N)c2Cl)c(F)c1
Answer: a, b
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-[4-(2-amino-3-chloropyridin-4-yl)oxy-3-fluorophenyl]-4-ethoxy-1-(4-fluorophenyl)-2-oxopyridine-3-carboxamide