Cc1cc(C)c(C)c(S(=O)(=O)N[C@@H](C)C(=O)OCC(=O)NC2CCCC(C)C2C)c1C
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?