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. O=C(C1CCN(c2cc(C(F)(F)F)ncn2)CC1)N1CCC(NC2CCC(O)(c3ccc(-c4ncccn4)cn3)CC2)C1
b. O=C(O)C1CCC(NC(=O)C(C2CCCCC2)n2c(-c3ccc(Cl)cc3)nc3cc(F)c(F)cc32)CC1
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-[[2-[2-(4-chlorophenyl)-5,6-difluorobenzimidazol-1-yl]-2-cyclohexylacetyl]amino]cyclohexane-1-carboxylic acid