User: I want to know more about the chemical with SMILES CCOc1nc(N)nc2c1ncn2[C@@H]1O[C@@H]2COP(=O)(OC(C)C)O[C@H]2[C@@]1(C)F.
Assistant: How can I help?
User: How many heavy (non-hydrogen) atoms does this compound have?
Assistant: 29
User: I want to know more about the {#molecule|chemical|compound!} with {SMILES__description} {SMILES#}.
Assistant: {#Sure, what is your question?|How can I help?|That sounds interesting, how can I help?|Interesting, how can I help?!}
User: {quest#}
Assistant: {#The answer is |!}{answ#}
CCOc1nc(N)nc2c1ncn2[C@@H]1O[C@@H]2COP(=O)(OC(C)C)O[C@H]2[C@@]1(C)F
CCOc1nc(N)nc2c1ncn2[C@@H]1O[C@@H]2COP(=O)(OC(C)C)O[C@H]2[C@@]1(C)F
9-[(4aR,6R,7R,7aR)-7-fluoro-7-methyl-2-oxo-2-propan-2-yloxy-4,4a,6,7a-tetrahydrofuro[3,2-d][1,3,2]dioxaphosphinin-6-yl]-6-ethoxypurin-2-amine
How many heavy (non-hydrogen) atoms does this compound have?