User: I want to know more about the compound with SMILES CCOc1ccc(-c2nc(-c3cccc(C(=O)O)n3)cs2)cc1OCC.
Assistant: How can I help?
User: How many hydrogen bond donors are there in this compound, calculated according to Lipinski's original rules (i.e., counting NH and OH groups)?
Assistant: 1
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#}
CCOc1ccc(-c2nc(-c3cccc(C(=O)O)n3)cs2)cc1OCC
CCOc1ccc(-c2nc(-c3cccc(C(=O)O)n3)cs2)cc1OCC
6-[2-(3,4-diethoxyphenyl)-1,3-thiazol-4-yl]pyridine-2-carboxylic acid
How many hydrogen bond donors are there in this compound, calculated according to Lipinski's original rules (i.e., counting NH and OH groups)?