Using CC(C)(C)OC(=O)N1CCc2ccc(C(=O)N3CCC4(CC3)CCN(c3ccncc3)CC4)cc2C1 to produce O=C(c1ccc2c(c1)CNCC2)N1CCC2(CC1)CCN(c1ccncc1)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.