Using CCOC(=O)c1cc(OC2CN(C(c3ccccc3)c3ccccc3)C2)c2cc(C)oc2c1 to produce CCOC(=O)c1cc(OC2CNC2)c2cc(C)oc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.