Using O=C(OCC(Cl)(Cl)Cl)N1C2CCC1C(OCc1ccc3ccccc3c1)C(c1ccc(Cl)cc1)C2 to produce Clc1ccc(C2CC3CCC(N3)C2OCc2ccc3ccccc3c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.