Using CC(C)(C)OC(=O)NCCN1Cc2occc2C(Oc2ccc(Cl)c(Cl)c2)C1 to produce NCCN1Cc2occc2C(Oc2ccc(Cl)c(Cl)c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.