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, c, or d without using any other words.
Options:
a. COc1ccc2nccc(C(O)CCC3CCN(CCSc4ccco4)CC3C(=O)O)c2c1
b. O=C(Nc1ccc(C(F)(F)F)cc1)NS(=O)(=O)c1ccc(OCCCCN2CCCC2)cc1
c. COc1ccc2ncc(F)c(C[C@H](O)C34CCC(NCc5ccc6c(n5)NC(=O)CO6)(CC3)CO4)c2n1.Cl
d. Cc1cccc(Nc2nc(N3CCNCC3)nc3c(C)nn(CCOCC(F)(F)F)c23)n1
Answer: d
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}
3-methyl-N-(6-methylpyridin-2-yl)-5-piperazin-1-yl-1-[2-(2,2,2-trifluoroethoxy)ethyl]pyrazolo[4,3-d]pyrimidin-7-amine