Using CC(=O)n1ncc2cc(-c3cc(=O)n4nc(C)nc4[nH]3)ccc21 to produce Cc1nc2[nH]c(-c3ccc4[nH]ncc4c3)cc(=O)n2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.