Using CCOC(=O)C1(N(C(C)=O)c2ccccc2)CCN(Cc2ccccc2)CC1 to produce O=C1CC(=O)C2(CCN(Cc3ccccc3)CC2)N1c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.