Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) CC(C)Oc1ccc(F)cc1-c1ccc(N2CCC(CNC(=O)c3ccc(-c4nc5cc(C#N)cc(C(C)C)c5o4)cc3)CC2)nc1
b.) COCC[C@H](Oc1ncnc2c1cnn2-c1ccccc1OC)C(=O)Nc1ccc(C)cn1
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}
4-(5-cyano-7-propan-2-yl-1,3-benzoxazol-2-yl)-N-[[1-[5-(5-fluoro-2-propan-2-yloxyphenyl)pyridin-2-yl]piperidin-4-yl]methyl]benzamide