Using O=C1[C@H]2CN(Cc3ccccc3)C[C@H]2C(=O)N1Cc1ccccc1 to produce O=C1[C@H]2CNC[C@H]2C(=O)N1Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.