CCOC1=C2[C@H](c3ccc(CC)cc3)N(S(=O)(=O)c3ccc(C)cc3)C[C@H]2C(C#N)(C#N)C(C#N)(C#N)C1
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?