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 other words.
Options:
a. COc1cc(N2C(=O)N(c3ccc(-c4ccc(C(=O)O)cc4Cl)cc3)C(=O)C23CCN(Cc2ncccc2C)CC3)ncn1
b. COC(=O)N(NC(=O)c1c(OC2CCN(C3CCOCC3)CC2)c(-c2ccccc2)nc2ccccc12)c1ccccc1
Answer: 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}
methyl N-[[3-[1-(oxan-4-yl)piperidin-4-yl]oxy-2-phenylquinoline-4-carbonyl]amino]-N-phenylcarbamate