Using CCc1cc(OCCc2cccc(NC)n2)cc2c1CC(CC(=O)O)c1ccccc1O2 to produce CNc1cccc(CCOc2ccc3c(c2)Oc2ccccc2C(CC(=O)O)C3)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.