Using CC(C)(C)OC(=O)NC1(C(=O)O)CC1, O=C(Cc1ccc(CCCCc2ccccc2)cc1)NO to produce CC(C)(C)OC(=O)NC1(C(=O)NC(=O)Cc2ccc(CCCCc3ccccc3)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.