Using CCC(Oc1ccc(C(CC)(CC)c2ccc3cc(C(=O)O)ccc3c2)cc1C)C(O)C(C)(C)C, COC(=O)CN to produce CCC(Oc1ccc(C(CC)(CC)c2ccc3cc(C(=O)NCC(=O)OC)ccc3c2)cc1C)C(O)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.