Using O=CNc1cc([C@@H](O)CN(Cc2ccccc2)Cc2ccccc2)ccc1OCc1ccccc1 to produce O=CNc1cc([C@@H](O)CN(Cc2ccccc2)Cc2ccccc2)ccc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.