Using CC(C)(C)OC(=O)N1CCN(C(=O)N2CCC(c3cccnc3)C2)c2ccccc21 to produce O=C(N1CCC(c2cccnc2)C1)N1CCNc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.