Using COC(=O)c1cccc(C(C)Cc2n[nH]c(=O)c3c2CCCC3)c1 to produce CC(Cc1n[nH]c(=O)c2c1CCCC2)c1cccc(C(=O)O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.