Using CC(C)(C)OC(=O)N1CCN(Cc2c(O)ccc3c2OC(Cc2c[nH]c4ccccc24)C3=O)CC1 to produce Oc1ccc2c(O)c(Cc3c[nH]c4ccccc34)oc2c1CN1CCNCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.