Using CCCCCCCCCCn1c(C)c(CC(N)=O)c2cc(OCCCC(=O)OCC)ccc21 to produce Cc1c(CC(N)=O)c2cc(OCCCC(=O)O)ccc2n1C1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.