CCOC(=O)N1CCN(C(=O)c2ccc3c(c2)N(C)C(=O)/C(=C\c2ccc(OCC)c(OC)c2)S3)CC1
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?