Using CCOC(OCC)OCC, Nc1ccc2c(c1O)C[C@H]1[C@@H]2CCCN1C(=O)c1ccc2[nH]cnc2c1 to produce O=C(c1ccc2[nH]cnc2c1)N1CCC[C@H]2c3cc4ocnc4cc3C[C@H]21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.