Using CC(C)(C)OC(=O)N1CCc2ccc(Oc3cnc(C(=O)O)cn3)cc2CC1, O=C(n1ccnc1)n1ccnc1 to produce CNC(=O)c1cnc(Oc2ccc3c(c2)CCN(C(=O)OC(C)(C)C)CC3)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.