Using C[C@@H](C(=O)O)n1cnc2c1c(=O)n(C)c(=O)n2C, C[C@H]1CCCN1c1ncc(-c2cncc(N)n2)cn1 to produce C[C@H]1CCCN1c1ncc(-c2cncc(NC(=O)[C@H](C)n3cnc4c3c(=O)n(C)c(=O)n4C)n2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.