CC(C)(C)OC(=O)NCc1ccc(NC(=O)c2[nH]cnc2C(=O)NCCCNC(=O)c2nc[nH]c2C(=O)Nc2ccc(CNC(=O)OC(C)(C)C)cc2)cc1
Hydrogen bond acceptor is the chemical compound which contains the lone electron pairs that participate in the hydrogen bond formation. How many hydrogen bond acceptors does the molecule contain?