Using CCOC(=O)c1cnn(-c2nc(NCC(c3ccccc3)c3ccccc3)c3ncn([C@@H]4C[C@H](NC(=O)CC)[C@@H](O)[C@H]4O)c3n2)c1 to produce CCC(=O)N[C@H]1C[C@@H](n2cnc3c(NCC(c4ccccc4)c4ccccc4)nc(-n4cc(C(=O)O)cn4)nc32)[C@H](O)[C@@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.