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) CC(C(O)c1ccc2c(c1)CCC(=O)N2)N1CCC(O)(c2ccc3c(c2)COCC3)CC1
b) C[C@H]1Sc2ccccc2O[C@@H]1c1ccc(OCCCN2CCCC2)cc1
c) Cc1c(Cl)ccc(OC2CCN(CC3CCN([C@@H](Cc4ccc(F)cc4)C(=O)O)CC3)CC2)c1Cl
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}
1-[3-[4-[(2R,3R)-3-methyl-2,3-dihydro-1,4-benzoxathiin-2-yl]phenoxy]propyl]pyrrolidine