Using CC(C)(C)OC(=O)N1CCC(c2ccccc2NC(=O)OCC2c3ccccc3-c3ccccc32)CC1 to produce O=C(Nc1ccccc1C1CCNCC1)OCC1c2ccccc2-c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.