Using CCCCc1nn2ccccc2c1Cc1ccc(-c2ccccc2C(=O)OC(C)(C)C)cc1 to produce CCCCc1nn2c(c1Cc1ccc(-c3ccccc3C(=O)OC(C)(C)C)cc1)CCCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.