Using O=c1c2ccccc2nc2[nH]c3ccccc3n12, Cc1ccc(C(=O)Cl)c(C)c1 to produce Cc1ccc(C(=O)n2c3ccccc3n3c(=O)c4ccccc4nc23)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.