Using COC(=O)c1ncc2c(ccc(=O)n2Cc2ccccc2)c1O, NCC(=O)[O-] to produce O=C(O)CNC(=O)c1ncc2c(ccc(=O)n2Cc2ccccc2)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.