CCOC(=O)c1c(N2CCN(C)CC2)[nH]c(=O)c(C(c2c(Cl)cccc2Cl)c2c(O)c(C(=O)OCC)c(N3CCN(C)CC3)[nH]c2=O)c1O
Hydrogen bond acceptor: The atom, ion, or molecule component of a hydrogen bond which does not supply the bridging (shared) hydrogen atom. How many hydrogen bond acceptors does the molecule have?