Using CC(C)(C)OC(=O)NCCCc1cc2c3c(c1)c(=O)c(C(=O)[O-])cn3CCC2 to produce NCCCc1cc2c3c(c1)c(=O)c(C(=O)O)cn3CCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.