Using COC(=O)CN1CN(c2ccccc2)C2(CCN(C(=O)OC(C)(C)C)CC2)C1=O to produce CC(C)(C)OC(=O)N1CCC2(CC1)C(=O)N(CC(=O)O)CN2c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.