Using CC(C)(C)OC(=O)NCCc1cccc(OCCC2C3CC4CC(C3)CC2C4)c1 to produce NCCc1cccc(OCCC2C3CC4CC(C3)CC2C4)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.