Using CC(=O)O, O=C(O)c1ccc2c(c1)nc(-c1ccc3ccc(-c4ccccc4)nc3c1)n2C1CCCCC1 to produce O=C(O)c1ccc2c(c1)nc(-c1ccc3cc(-c4ccccc4)cnc3c1)n2C1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.