Using C[C@H](Nc1nccc(-n2cnc3ccccc32)n1)c1cccc(C(=O)O)c1, NCCc1ccccc1 to produce C[C@H](Nc1nccc(-n2cnc3ccccc32)n1)c1cccc(C(=O)NCCc2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.