Using CCOC(=O)c1cnc2c3cc(NC(=O)C(C)C(C)CC)ccc3c(C)cn2c1=O to produce CCC(C)C(C)C(=O)Nc1ccc2c(C)cn3c(=O)c(C(=O)[O-])cnc3c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.