CC1NC(=O)C(N)CNC(=O)C(C2CCNC(=N)N2)NC(=O)/C(=C/NC(N)=O)NC(=O)C(CNC(=O)CC(N)CCCN)NC1=O
The donor in a hydrogen bond is usually a strongly electronegative atom such as N, O, or F that is covalently bonded to a hydrogen bond. How many hydrogen bond donors does the molecule have?