Using COC(=O)c1ccc2c(C3CCCCC3)c3n(c2c1)C[C@H](OCCN(C)Cc1ccccc1)COc1ccccc1-3 to produce CNCCO[C@@H]1COc2ccccc2-c2c(C3CCCCC3)c3ccc(C(=O)OC)cc3n2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.