Using COC(=O)Cc1ccc(Nc2nc(Nc3cc(C)n[nH]3)c3ccccc3n2)cc1C to produce Cc1cc(Nc2nc(Nc3ccc(CC(=O)O)c(C)c3)nc3ccccc23)[nH]n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.