Using O=C(O)CCCCCNC(=O)OCc1ccccc1, CCOC(=O)CC(=O)[O-] to produce CCOC(=O)CC(=O)CCCCCNC(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.