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, b, or c without using any other words.
Options:
(a) Cc1nc2c(c(-c3ccc(Cl)cc3Cl)c1CN)CN(CC(N)=O)C2=O
(b) Cc1cccc(Nc2nc(N[C@H]3CCCNC3)ncc2C(N)=O)c1
(c) CCOc1cc2nccc(Oc3cnc(CC(=O)Nc4n[nH]c(CC)c4C)c(OC)c3)c2cc1OC
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}
4-(3-methylanilino)-2-[[(3S)-piperidin-3-yl]amino]pyrimidine-5-carboxamide