Using CC(C)(C)OC(=O)N1CCC(OC(=O)Nc2ccccc2C2CCCCC2)CC1 to produce O=C(Nc1ccccc1C1CCCCC1)OC1CCNCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.