Using O=CN(CC1Sc2ccccc2N(CC(=O)O)C1=O)OCc1ccccc1, CCCN to produce CCCNC(=O)CN1C(=O)C(CN(C=O)OCc2ccccc2)Sc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.