COC(=O)C/C=C\[C@@H](C)[C@@H](/C=N\OC[C@@H]1O[C@H](c2ccccc2)C=C[C@@H]1Oc1ccc(OC)cc1)NS(=O)(=O)c1ccc(C)cc1
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?