Using Cn1cccc1C(=O)O, CCOC(=O)c1sc2c(c1C)CNCC2 to produce CCOC(=O)c1sc2c(c1C)CN(C(=O)c1cccn1C)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.