Using CCOC(=O)COc1ccc(OCCc2nc(-c3ccccc3)oc2C)cc1CC to produce CCc1cc(OCCc2nc(-c3ccccc3)oc2C)ccc1OCC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.